Utelias Technologies CEO Johanna Hemminki poses with the language trainer robot Elias at the school in Tampere, Finland March 27, 2017. REUTERS/Attila Cser

Students use a Blue-bots, a programmable robots, during their lesson at the school in Tampere, Finland March 27, 2017. REUTERS/Attila Cser

Students use a language trainer robot Ellias during their lesson at the school in Tampere, Finland March 27, 2017. REUTERS/Attila Cser

Daniel Connell uses a language trainer robot Elias during his lesson at the school in Tampere, Finland March 27, 2017. REUTERS/Attila Cser

Students use a mathematics teaching robot Ovobot during their lesson at the school in Tampere, Finland March 27, 2017. REUTERS/Attila Cser

Students use a Blue-bots, a programmable robots, during their lesson at the school in Tampere, Finland March 27, 2017. REUTERS/Attila Cser

Daniel Connell uses a language trainer robot Elias during his lesson at the school in Tampere, Finland March 27, 2017. REUTERS/Attila Cser

Utelias Technologies CEO Johanna Hemminki poses with the language trainer robot Elias at the school in Tampere, Finland March 27, 2017. REUTERS/Attila Cser

Students use a mathematics teaching robot Ovobot during their lesson at the school in Tampere, Finland March 27, 2017. REUTERS/Attila Cser

Students use a language trainer robot Ellias during their lesson at the school in Tampere, Finland March 27, 2017. REUTERS/Attila Cser

Former Harrisburg mayor Stephen Reed listens as his lawyer Henry E. Hockeimer, Jr. (L) speaks to press after the arraignment in Harrisburg, Pennsylvania July 14, 2015. The former mayor of Harrisburg, Pennsylvania, who ended his 28-year tenure with the city on the brink of financial ruin, was arraigned on hundreds of criminal counts on Tuesday for theft, bribery, evidence tampering and other charges. REUTERS/David DeKok

Relatives of Palestinian youth Youssef Shawamra mourn outside his house in the West Bank village of Deir al-Asal near Hebron March 19, 2014. Israeli troops shot and killed the Palestinian youth on Wednesday in the occupied West Bank, Palestinian officials and the Israeli military said. An Israeli military spokeswoman said that three Palestinian suspects were seen tampering with a security fence near the West Bank city of Hebron, and did not heed the soldiers' call on them to stop and move back. REUTERS/Ammar Awad (WEST BANK - Tags: POLITICS CIVIL UNREST)

Relatives of Palestinian youth Youssef Shawamra mourn outside his house in the West Bank village of Deir al-Asal near Hebron March 19, 2014. Israeli troops shot and killed the Palestinian youth on Wednesday in the occupied West Bank, Palestinian officials and the Israeli military said. An Israeli military spokeswoman said that three Palestinian suspects were seen tampering with a security fence near the West Bank city of Hebron, and did not heed the soldiers' call on them to stop and move back. REUTERS/Ammar Awad (WEST BANK - Tags: POLITICS CIVIL UNREST)

A Palestinians boy reacts during the funeral of Ibrahim Mansour, 26, who was killed by Israeli soldiers, in Gaza City February 14, 2014. Israeli soldiers shot and killed Mansour and wounded another on Thursday in the Gaza Strip, local hospital officials said. Relatives who rushed to a Gaza City hospital said Mansour was collecting gravel to sell from his donkey cart when he was shot dead. The Israeli military said soldiers fired at Palestinians tampering with Israel's border security fence. REUTERS/Suhaib Salem (GAZA - Tags: POLITICS CIVIL UNREST)

The Palestinian wife of Ibrahim Mansour, 26, who was killed by Israeli soldiers, cries during his funeral in Gaza City February 14, 2014. Israeli soldiers shot and killed Mansour and wounded another on Thursday in the Gaza Strip, local hospital officials said. Relatives who rushed to a Gaza City hospital said Mansour was collecting gravel to sell from his donkey cart when he was shot dead. The Israeli military said soldiers fired at Palestinians tampering with Israel's border security fence. REUTERS/Suhaib Salem (GAZA - Tags: POLITICS CIVIL UNREST)

The Palestinian mother of Ibrahim Mansour, 26, who was killed by Israeli soldiers, cries during his funeral in Gaza City February 14, 2014. Israeli soldiers shot and killed Mansour and wounded another on Thursday in the Gaza Strip, local hospital officials said. Relatives who rushed to a Gaza City hospital said Mansour was collecting gravel to sell from his donkey cart when he was shot dead. The Israeli military said soldiers fired at Palestinians tampering with Israel's border security fence. REUTERS/Suhaib Salem (GAZA - Tags: POLITICS CIVIL UNREST)

Palestinian relatives of Ibrahim Mansour, 26, who was killed by Israeli soldiers, react outside a hospital morgue in Gaza City February 13, 2014. Israeli soldiers shot and killed a Palestinian and wounded another on Thursday in the Gaza Strip, local hospital officials said. Relatives who rushed to a Gaza City hospital said Mansour was collecting gravel to sell from his donkey cart when he was shot dead. The Israeli military said soldiers fired at Palestinians tampering with Israel's border security fence. REUTERS/Suhaib Salem (GAZA - Tags: POLITICS CIVIL UNREST)

Palestinian relatives of Ibrahim Mansour, 26, who was killed by Israeli soldiers, react at a hospital morgue in Gaza City February 13, 2014. Israeli soldiers shot and killed a Palestinian and wounded another on Thursday in the Gaza Strip, local hospital officials said. Relatives who rushed to a Gaza City hospital said Mansour was collecting gravel to sell from his donkey cart when he was shot dead. The Israeli military said soldiers fired at Palestinians tampering with Israel's border security fence. REUTERS/Suhaib Salem (GAZA - Tags: POLITICS CIVIL UNREST)

The son of Palestinian Ibrahim Mansour, 26, who was killed by Israeli soldiers, reacts outside a hospital morgue in Gaza City February 13, 2014. Israeli soldiers shot and killed a Palestinian and wounded another on Thursday in the Gaza Strip, local hospital officials said. Relatives who rushed to a Gaza City hospital said Mansour was collecting gravel to sell from his donkey cart when he was shot dead. The Israeli military said soldiers fired at Palestinians tampering with Israel's border security fence. REUTERS/Suhaib Salem (GAZA - Tags: POLITICS CIVIL UNREST)

A Palestinian relative of Ibrahim Mansour, 26, who was killed by Israeli soldiers, reacts inside a hospital morgue in Gaza City February 13, 2014. Israeli soldiers shot and killed a Palestinian and wounded another on Thursday in the Gaza Strip, local hospital officials said. Relatives who rushed to a Gaza City hospital said Mansour was collecting gravel to sell from his donkey cart when he was shot dead. The Israeli military said soldiers fired at Palestinians tampering with Israel's border security fence. REUTERS/Suhaib Salem (GAZA - Tags: POLITICS CIVIL UNREST)

A Palestinian relative of Ibrahim Mansour, 26, who was killed by Israeli soldiers, reacts inside a hospital morgue in Gaza City February 13, 2014. Israeli soldiers shot and killed a Palestinian and wounded another on Thursday in the Gaza Strip, local hospital officials said. Relatives who rushed to a Gaza City hospital said Mansour was collecting gravel to sell from his donkey cart when he was shot dead. The Israeli military said soldiers fired at Palestinians tampering with Israel's border security fence. REUTERS/Suhaib Salem (GAZA - Tags: POLITICS CIVIL UNREST)

Olympic speedskater Simon Cho speaks during a press conference in Salt Lake City, Utah October 5, 2012. Cho admitted to tampering with a rival's skate when asked by U.S. short tack speed skating coach Jae Sun Chun to bend the skate of Canadian Olivier Jean's at the 2011 World Championships. REUTERS/George Frey (UNITED STATES - Tags: SPORT OLYMPICS SPEED SKATING)

Olympic speedskater Simon Cho speaks during a press conference in Salt Lake City, Utah October 5, 2012. Cho admitted to tampering with a rival's skate when asked by U.S. short tack speed skating coach Jae Sun Chun to bend the skate of Canadian Olivier Jean's at the 2011 World Championships. REUTERS/George Frey (UNITED STATES - Tags: SPORT OLYMPICS SPEED SKATING)

Olympic speedskater Simon Cho (R) speaks during a press conference as his attorney John Wunderlin looks on in Salt Lake City, Utah October 5, 2012. Cho admitted to tampering with a rival's skate when asked by U.S. short tack speed skating coach Jae Sun Chun to bend the skate of Canadian Olivier Jean's at the 2011 World Championships. REUTERS/George Frey (UNITED STATES - Tags: SPORT OLYMPICS SPEED SKATING)

Olympic speedskater Simon Cho (R) speaks during a press conference as his attorney John Wunderlin looks on in Salt Lake City, Utah October 5, 2012. Cho admitted to tampering with a rival's skate when asked by U.S. short tack speed skating coach Jae Sun Chun to bend the skate of Canadian Olivier Jean's at the 2011 World Championships. REUTERS/George Frey (UNITED STATES - Tags: SPORT OLYMPICS SPEED SKATING)

Simon Cho (L) and his attorney John Wunderlin walk into a news conference where Cho admitted to tampering with a rival's skate, in Salt Lake City, Utah October 5, 2012. Cho said he was asked by U.S. short tack speed skating coach Jae Sun-chun to bend the skates of Canadian Olivier Jean at the 2011 World Championships. REUTERS/George Frey (UNITED STATES - Tags: CRIME LAW SPORT SPEED SKATING)

Simon Cho (L) and his attorney John Wunderlin walk into a press conference where Cho admitted to tampering with a rival's skate, in Salt Lake City, Utah, October 5, 2012. Cho said he was asked by U.S. short tack speed skating coach Jae Sun Chun to bend the skate of Canadian Olivier Jean at the 2011 World Championships. REUTERS/George Frey (UNITED STATES - Tags: SPORT SPEED SKATING)

Workers from state-owned oil company Pemex clean the area after a pipeline explosion in San Martin Texmelucan December 22, 2010. Fuel thieves tampering with an oil pipeline may have sparked a deadly explosion that turned streets of the Mexican town into an inferno that killed 28 people on Sunday, officials said. Oil spilling from a breached pipeline maintained by state oil monopoly Pemex burst into a fireball that destroyed homes and cars before dawn in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City. REUTERS/Imelda Medina (MEXICO - Tags: DISASTER ENERGY ENVIRONMENT CRIME LAW)

Workers from state-owned oil company Pemex clean the area after a pipeline explosion in San Martin Texmelucan December 22, 2010. Fuel thieves tampering with an oil pipeline may have sparked a deadly explosion that turned streets of the Mexican town into an inferno that killed 28 people on Sunday, officials said. Oil spilling from a breached pipeline maintained by state oil monopoly Pemex burst into a fireball that destroyed homes and cars before dawn in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City. REUTERS/Imelda Medina (MEXICO - Tags: DISASTER ENERGY ENVIRONMENT CRIME LAW)

Members of Civil Protection and state-owned oil company Pemex stand inside a burnt building during an inspection in San Martin Texmelucan December 21, 2010. Fuel thieves tampering with an oil pipeline may have sparked a deadly explosion that turned streets of the Mexican town into an inferno that killed 28 people on Sunday, officials said. Oil spilling from a breached pipeline maintained by state oil monopoly Pemex burst into a fireball that destroyed homes and cars before dawn in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City. REUTERS/Imelda Medina (MEXICO - Tags: POLITICS DISASTER ENERGY BUSINESS)

Residents gather to receive clothes and food aid from the local government in San Martin Texmelucan near Puebla December 21, 2010. Fuel thieves tampering with an oil pipeline may have sparked a deadly explosion that turned streets of the Mexican town into an inferno that killed 28 people on Sunday, officials said. Oil spilling from a breached pipeline maintained by state oil monopoly Pemex burst into a fireball that destroyed homes and cars before dawn in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City. REUTERS/Imelda Medina (MEXICO - Tags: DISASTER BUSINESS ENERGY SOCIETY)

A resident sits outside his burnt house as soldiers walk in San Martin Texmelucan December 21, 2010. Fuel thieves tampering with an oil pipeline may have sparked a deadly explosion that turned streets of the Mexican town into an inferno that killed 28 people on Sunday, officials said. Oil spilling from a breached pipeline maintained by state oil monopoly Pemex burst into a fireball that destroyed homes and cars before dawn in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City. REUTERS/Imelda Medina (MEXICO - Tags: DISASTER BUSINESS ENERGY)

Residents carry clothing and groceries delivered by the local government as part of aid to families in San Martin Texmelucan near Puebla December 21, 2010. Fuel thieves tampering with an oil pipeline may have sparked a deadly explosion that turned streets of the Mexican town into an inferno that killed 28 people on Sunday, officials said. Oil spilling from a breached pipeline maintained by state oil monopoly Pemex burst into a fireball that destroyed homes and cars before dawn in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City. REUTERS/Imelda Medina (MEXICO - Tags: DISASTER BUSINESS ENERGY SOCIETY)

Residents carry clothing and groceries delivered by the local government as part of aid to families in San Martin Texmelucan near Puebla December 21, 2010. Fuel thieves tampering with an oil pipeline may have sparked a deadly explosion that turned streets of the Mexican town into an inferno that killed 28 people on Sunday, officials said. Oil spilling from a breached pipeline maintained by state oil monopoly Pemex burst into a fireball that destroyed homes and cars before dawn in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City. REUTERS/Imelda Medina (MEXICO - Tags: DISASTER BUSINESS ENERGY SOCIETY)

Family members and friends attend the funeral of victims of an oil pipeline explosion, at the cemetery in Texmelucan December 20, 2010. Fuel thieves tampering with an oil pipeline may have sparked a deadly explosion that turned streets of a Mexican town into an inferno that killed 28 people on Sunday, officials said. Oil spilling from a breached pipeline burst into a fireball that destroyed homes and cars before dawn in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City.
REUTERS/Imelda Medina (MEXICO - Tags: DISASTER ENERGY CRIME LAW)

A family member touches the coffin of a young victim of an oil pipeline explosion at the cemetery in Texmelucan December 20, 2010. Fuel thieves tampering with an oil pipeline may have sparked a deadly explosion that turned streets of a Mexican town into an inferno that killed 28 people on Sunday, officials said. Oil spilling from a breached pipeline burst into a fireball that destroyed homes and cars before dawn in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City. REUTERS/Imelda Medina (MEXICO - Tags: POLITICS DISASTER ENERGY CRIME LAW)

People carry the coffin of a young victim of an oil pipeline explosion in Texmelucan December 20, 2010. Fuel thieves tampering with an oil pipeline may have sparked a deadly explosion that turned streets of a Mexican town into an inferno that killed 28 people on Sunday, officials said. Oil spilling from a breached pipeline burst into a fireball that destroyed homes and cars before dawn in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City. REUTERS/Imelda Medina (MEXICO - Tags: POLITICS CRIME LAW ENERGY DISASTER)

Family members and friends accompany a coffin holding a victim of an oil pipeline explosion in Texmelucan December 20, 2010. Fuel thieves tampering with an oil pipeline may have sparked a deadly explosion that turned streets of a Mexican town into an inferno that killed 28 people on Sunday, officials said. Oil spilling from a breached pipeline burst into a fireball that destroyed homes and cars before dawn in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City. REUTERS/Imelda Medina (MEXICO - Tags: POLITICS ENERGY CRIME LAW DISASTER)

A family member kisses the coffin of a young victim of an oil pipeline explosion, at a cemetery in Texmelucan December 20, 2010. Fuel thieves tampering with an oil pipeline may have sparked a deadly explosion that turned streets of a Mexican town into an inferno that killed 28 people on Sunday, officials said. Oil spilling from a breached pipeline burst into a fireball that destroyed homes and cars before dawn in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City.
REUTERS/Imelda Medina (MEXICO - Tags: DISASTER ENERGY BUSINESS)

Men carry a coffin of a victim of an oil pipeline explosion in Texmelucan December 20, 2010. Fuel thieves tampering with an oil pipeline may have sparked a deadly explosion that turned streets of a Mexican town into an inferno that killed 28 people on Sunday, officials said. Oil spilling from a breached pipeline burst into a fireball that destroyed homes and cars before dawn in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City. REUTERS/Imelda Medina (MEXICO - Tags: DISASTER ENERGY)

Family members and friends mourn the victims of an oil pipeline explosion in Texmelucan December 20, 2010. Fuel thieves tampering with an oil pipeline may have sparked a deadly explosion that turned streets of a Mexican town into an inferno that killed 28 people on Sunday, officials said. Oil spilling from a breached pipeline maintained by state oil monopoly Pemex burst into a fireball that destroyed homes and cars before dawn in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City. REUTERS/Imelda Medina (MEXICO - Tags: DISASTER ENERGY BUSINESS)

Family members and friends mourn the victims of an oil pipeline explosion in Texmelucan December 20, 2010. Fuel thieves tampering with an oil pipeline may have sparked a deadly explosion that turned streets of a Mexican town into an inferno that killed 28 people on Sunday, officials said. Oil spilling from a breached pipeline maintained by state oil monopoly Pemex burst into a fireball that destroyed homes and cars before dawn in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City. REUTERS/Imelda Medina (MEXICO - Tags: DISASTER ENERGY BUSINESS)

Family members and friends mourn the victims of an oil pipeline explosion in Texmelucan December 20, 2010. Fuel thieves tampering with an oil pipeline may have sparked a deadly explosion that turned streets of a Mexican town into an inferno that killed 28 people on Sunday, officials said. Oil spilling from a breached pipeline maintained by state oil monopoly Pemex burst into a fireball that destroyed homes and cars before dawn in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City. REUTERS/Imelda Medina (MEXICO - Tags: DISASTER ENERGY BUSINESS)

Family members of Jacinto Baez Flores, a victim of an explosion of an oil pipeline, mourn his death during a wake in Texmelucan December 20, 2010. Fuel thieves tampering with an oil pipeline may have sparked a deadly explosion that turned streets of the Mexican town into an inferno that killed 28 people on Sunday, officials said. Oil spilling from a breached pipeline maintained by state oil monopoly Pemex burst into a fireball that destroyed homes and cars before dawn in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City. REUTERS/Imelda Medina (MEXICO - Tags: ENERGY DISASTER BUSINESS)

Relatives of victims react at the site of an explosion of a Pemex pipeline in the village of San Martin Texmelucan near Puebla December 19, 2010. Fuel thieves tampering with an oil pipeline could have sparked the deadly blast in central Mexico that flooded streets with fire and left at least 23 people dead before dawn on Sunday, officials said. The pipeline maintained by state oil monopoly Pemex exploded just before 6 a.m. (1200 GMT) in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City. REUTERS/ Imelda Medina (MEXICO - Tags: DISASTER BUSINESS ENERGY)

Relatives of victims cry at the site of an explosion of a Pemex pipeline in the village of San Martin Texmelucan near Puebla December 19, 2010. Fuel thieves tampering with an oil pipeline could have sparked the deadly blast in central Mexico that flooded streets with fire and left at least 23 people dead before dawn on Sunday, officials said. The pipeline maintained by state oil monopoly Pemex exploded just before 6 a.m. (1200 GMT) in San Martin Texmelucan, a small community in the state of Puebla about 50 miles (75 km) east of Mexico City. REUTERS/ Imelda Medina (MEXICO - Tags: DISASTER BUSINESS ENERGY)

England players celebrate after winning their UEFA women's Euro 2009 semi-final soccer match as Netherland's Anouk Hoogendijk (L) reacts next to them in Tampere September 6, 2009. REUTERS/Dominic Ebenbichler (FINLAND SPORT SOCCER)

Netherlands' Daphne Koster (R) and England's Jill Scott (C) and Lindsay Johnson fight for the ball during their UEFA women's Euro 2009 semi-final soccer match in Tampere September 6, 2009. REUTERS/Dominic Ebenbichler (FINLAND SPORT SOCCER)

England players celebrate after winning their UEFA women's Euro 2009 semi-final soccer match against the Netherlands in Tampere September 6, 2009. REUTERS/Dominic Ebenbichler (FINLAND SPORT SOCCER)

Netherland's Manoe Meulen (R) reacts after losing their UEFA women's Euro 2009 semi-final soccer match against England in Tampere September 6, 2009. REUTERS/Dominic Ebenbichler (FINLAND SPORT SOCCER)

England's Jill Scott celebrates after scoring a goal in the overtime of their UEFA women's Euro 2009 semi-final soccer match against the Netherlands in Tampere September 6, 2009. REUTERS/Dominic Ebenbichler (FINLAND SPORT SOCCER)

England's Karen Carney celebrates after team-mate Jill Scott scored a goal in the overtime of their UEFA women's Euro 2009 semi-final soccer match against the Netherlands in Tampere September 6, 2009. REUTERS/Dominic Ebenbichler (FINLAND SPORT SOCCER)

England's Jill Scott celebrates after scoring a goal in the overtime of their UEFA women's Euro 2009 semi-final soccer match against the Netherlands in Tampere September 6, 2009. REUTERS/Dominic Ebenbichler (FINLAND SPORT SOCCER)

England's Jill Scott celebrates after scoring a goal in the overtime of their UEFA women's Euro 2009 semi-final soccer match against the Netherlands in Tampere September 6, 2009. REUTERS/Dominic Ebenbichler (FINLAND SPORT SOCCER)

Netherland's Annemarie Kiesel-Griffioen (L) and England's Sue Smith fight for the ball during their UEFA women's Euro 2009 semi-final soccer match in Tampere September 6, 2009. REUTERS/Dominic Ebenbichler (FINLAND SPORT SOCCER)

England's Sue Smith (R) and Karen Carney celebrate after Smith scored the first goal during their UEFA women's Euro 2009 semi-final soccer match against the Netherlands in Tampere September 6, 2009. REUTERS/Dominic Ebenbichler (FINLAND SPORT SOCCER)

England's Sue Smith (R) and Karen Carney celebrate after
Smith scored the first goal during their UEFA women's Euro 2009 semi-final soccer match against the Netherlands in Tampere September 6, 2009. REUTERS/Dominic Ebenbichler (FINLAND SPORT SOCCER)

England's Sue Smith celebrates after scoring the first goal during their UEFA women's Euro 2009 semi-final soccer match against the Netherlands in Tampere September 6, 2009. REUTERS/Dominic Ebenbichler (FINLAND SPORT SOCCER)

Netherlands' Petra Hogewoning (L) and England's Karen Carney fight for the ball during their UEFA women's Euro 2009 semi-final soccer match in Tampere September 6, 2009. REUTERS/Dominic Ebenbichler (FINLAND SPORT SOCCER)

Netherlands' Petra Hogewoning (L) and England's Karen Carney fight for the ball during their UEFA women's Euro 2009 semi-final soccer match in Tampere September 6, 2009. REUTERS/Dominic Ebenbichler (FINLAND SPORT SOCCER)