Unplugged computer monitors are seen through a glass door in the office of the Russian internet group Yandex in Kiev, Ukraine, May 29, 2017. REUTERS/Valentyn Ogirenko 

A Greek national flag flutters next to the newly installed logo of the Hellenic Broadcasting Corporation (ERT) in Athens June 8, 2015. ERT, the country's state broadcaster which was abruptly unplugged nearly two years ago, is due to reopen in a symbolic move to heal what Prime Minister Alexis Tsipras has called a "great wound" of the country's bailout programme. Greece is willing to compromise to reach a deal with its EU/IMF creditors that is acceptable to both sides and is ready to negotiate until the end of June to achieve this, the government said on Monday. REUTERS/Alkis Konstantinidis 

A worker cleans the newly installed logo of the Hellenic Broadcasting Corporation (ERT) in Athens June 8, 2015. ERT, the country's state broadcaster which was abruptly unplugged nearly two years ago, is due to reopen in a symbolic move to heal what Prime Minister Alexis Tsipras has called a "great wound" of the country's bailout programme. Greece is willing to compromise to reach a deal with its EU/IMF creditors that is acceptable to both sides and is ready to negotiate until the end of June to achieve this, the government said on Monday. REUTERS/Alkis Konstantinidis 

A European Union flag (L) and a Greek national flag flutter next to the newly installed logo of the Hellenic Broadcasting Corporation (ERT) in Athens June 8, 2015. ERT, the country's state broadcaster which was abruptly unplugged nearly two years ago, is due to reopen in a symbolic move to heal what Prime Minister Alexis Tsipras has called a "great wound" of the country's bailout programme. Greece is willing to compromise to reach a deal with its EU/IMF creditors that is acceptable to both sides and is ready to negotiate until the end of June to achieve this, the government said on Monday. REUTERS/Alkis Konstantinidis 

Campers learn about Shabbat, a Friday night Jewish ceremony, at Camp Grounded in Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook, Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

Campers file in to eat dinner at Camp Grounded in Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook, Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

A camper uses a typewriter to write a note for the 'Human-Powered Search' board at Camp Grounded in the Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook , Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

A camper uses a typewriter to write a note for the 'Human-Powered Search' board at Camp Grounded in the Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook , Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

Campers dance and sing following a communal dinner at Camp Grounded in Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook, Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

Campers learn the dining room rules prior to dinner at Camp Grounded in Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook, Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

Staffers demonstrate a group version of "rock, paper, scissors" for campers at Camp Grounded in Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook, Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

Campers dance in a field to a live band on the first day of Camp Grounded in Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook , Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

A camper smiles as a staffer announces her camp nickname at Camp Grounded in the Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook , Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

Camper Diego Aristizabal looks over the rules at Camp Grounded in Navarro, California June 20, 2014. FOMO stands for 'Fear of Missing Out'. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook, Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

Camper Mark Williams gets his hair cut upon arrival at Camp Grounded in Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook, Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

A camper gets her face painted upon arrival at Camp Grounded in Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook, Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

A staffer dressed as a "tech-disposal robot" ushers arriving campers through a hallway where they will hand in their technology at Camp Grounded in Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook, Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

Staffers dressed as "tech-disposal robots" collect tech gadgets from arriving camper Lauren Owen (L) at Camp Grounded in Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook, Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

Camper Lauren Owen takes one final photo with her phone before parting with it for four days at Camp Grounded in Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook, Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

Camper Amanda Hicks (L) dances down a smoke-filled hallway with a hazmat-suited "tech disposal robot" before turning in her tech gadgets at Camp Grounded in Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook, Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

Camper David Blum writes his new camp nickname on a sticker at Camp Grounded in Navarro, California June 20, 2014. The rules of this "digital detox" camp are clear: No work talk, no alcohol, no first names or discussion of ages, and most importantly, no phones, computers, tablets or watches. The camp, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook, Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

A staffer welcomes an arriving camper by jumping on car and hugging it at Camp Grounded in Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook, Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

Signs on a giant Redwood tree alongside the entry road prepare arriving campers for their tech-free experience at Camp Grounded in Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook, Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

A sign on a giant Redwood tree alongside the entry road prepares arriving campers for their tech-free experience at Camp Grounded in Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook, Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

A sign on a giant Redwood tree alongside the entry road prepares arriving campers for their tech-free experience at Camp Grounded in Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook, Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS) 

Juanes holds the award he won for Best Latin Pop Album for "MTV Unplugged Deluxe Edition" backstage at the 55th annual Grammy Awards in Los Angeles, California February 10, 2013. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) (GRAMMYS-BACKSTAGE) 

Juanes holds the award he won for Best Latin Pop Album for "MTV Unplugged Deluxe Edition" backstage at the 55th annual Grammy Awards in Los Angeles, California February 10, 2013. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) (GRAMMYS-BACKSTAGE) 

Juanes holds the award he won for Best Latin Pop Album for "MTV Unplugged Deluxe Edition" backstage at the 55th annual Grammy Awards in Los Angeles, California February 10, 2013. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) (GRAMMYS-BACKSTAGE) 

Juanes accepts the award for best latin pop album for "MTV Unplugged Deluxe Edition" at the 55th annual Grammy Awards in Los Angeles, California, February 10, 2013. REUTERS/Mike Blake (UNITED STATES - Tags: ENTERTAINMENT) (GRAMMYS-SHOW) 

Juanes accepts the award for best latin pop album for "MTV Unplugged Deluxe Edition" at the 55th annual Grammy Awards in Los Angeles, California, February 10, 2013. REUTERS/Mike Blake (UNITED STATES - Tags: ENTERTAINMENT) (GRAMMYS-SHOW) 

Singer Juanes performs during his "Unplugged Tour" concert in Bogota November 27, 2012. REUTERS/John Vizcaino (COLOMBIA - Tags: ENTERTAINMENT) 

Singer Juanes performs during his "Unplugged Tour" concert in Bogota November 27, 2012. REUTERS/John Vizcaino (COLOMBIA - Tags: ENTERTAINMENT) 

Singer Juanes (L) performs during his "Unplugged Tour" concert in Bogota November 27, 2012. REUTERS/John Vizcaino (COLOMBIA - Tags: ENTERTAINMENT) 

Singer Juanes performs during his "Unplugged Tour" concert in Bogota November 27, 2012. REUTERS/John Vizcaino (COLOMBIA - Tags: ENTERTAINMENT) 

Singer Juanes performs during his "Unplugged Tour" concert in Bogota November 27, 2012. REUTERS/John Vizcaino (COLOMBIA - Tags: ENTERTAINMENT) 

Juanes poses with awards for best long form music video and album of the year for "MTV Unplugged" during the 13th Latin Grammy Awards in Las Vegas, Nevada November 15, 2012. REUTERS/Steve Marcus (UNITED STATES - Tags: ENTERTAINMENT)

Juanes poses backstage with the awards for best long form music video and album of the year for "MTV Unplugged" during the 13th Latin Grammy Awards in Las Vegas, Nevada, November 15, 2012. REUTERS/Steve Marcus (UNITED STATES - Tags: ENTERTAINMENT)

Juanes poses backstage with the awards for best long form music video and album of the year for "MTV Unplugged" during the 13th Latin Grammy Awards in Las Vegas, Nevada, November 15, 2012. REUTERS/Steve Marcus (UNITED STATES - Tags: ENTERTAINMENT)

Juan Luis Guerra, holds his awards for producer of the year and album of the year for "Juanes - MTV Unplugged" during the 13th Latin Grammy Awards in Las Vegas, Nevada November 15, 2012. REUTERS/Steve Marcus (UNITED STATES - Tags: ENTERTAINMENT)

Juanes (R) accepts album of the year for "MTV Unplugged" with producer Juan Luis Guerra during the 13th Latin Grammy Awards in Las Vegas, Nevada November 15, 2012. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT)

Juanes accepts the award for album of the year for "MTV Unplugged" with producer Juan Luis Guerra (L) during the 13th Latin Grammy Awards in Las Vegas, Nevada, November 15, 2012. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT)

Juanes accepts album of the year for "MTV Unplugged" during the 13th Latin Grammy Awards in Las Vegas, Nevada November 15, 2012. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT)

Juanes hugs Pepe Aguilar (rear) as he accepts the award for album of the year for "MTV Unplugged" during the 13th Latin Grammy Awards in Las Vegas, Nevada, November 15, 2012. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT)

Juanes hugs his wife Karen Martinez after winning the award for best long form music video for "MTV Unplugged" during the 13th Latin Grammy Awards in Las Vegas, Nevada, November 15, 2012. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT)

Juanes accepts award for best long form music video for "MTV Unplugged" during the 13th Latin Grammy Awards in Las Vegas, Nevada November 15, 2012. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT)

Juanes accepts the award for best long form music video for "MTV Unplugged" during the 13th Latin Grammy Awards in Las Vegas, Nevada, November 15, 2012. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT)

Daniel Weiss unplugs his all-electric CODA EV car during an event at the Westfield Century City Mall in Los Angeles, California March 16, 2012. Weiss was the first investor in CODA Automotive. REUTERS/Bret Hartman (UNITED STATES - Tags: TRANSPORT BUSINESS ENVIRONMENT) 

Los Tigres Del Norte poses with the award they won for best Norteno album for "Los Tigres Del Norte And Friends MTV Unplugged" at the 12th annual Latin Grammy Awards in Las Vegas, Nevada November 10, 2011.
REUTERS/Steve Marcus (UNITED STATES - Tags: ENTERTAINMENT) (LATINGRAMMYS-BACKSTAGE) 

Los Tigres del Norte are presented the award for best norteno album for "Los Tigres Del Norte And Friends MTV Unplugged" at the 12th annual Latin Grammy Awards in Las Vegas, Nevada, November 10, 2011. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) (LATINGRAMMYS-SHOW) 

A worker at the Angeles National Golf Club tries to unplug clogged drains on the driving range after heavy rains fell in the Los Angeles basin December 22, 2010. REUTERS/Gene Blevins (UNITED STATES - Tags: ENVIRONMENT SPORT GOLF IMAGES OF THE DAY) 

Workers at the Angeles National Golf Club try to unplug clogged drains on the driving range after heavy rains in the Los Angeles basin December 22, 2010. REUTERS/Gene Blevins (UNITED STATES - Tags: ENVIRONMENT SPORT GOLF) 

Workers at the Angeles National Golf Club try to unplug clogged drains on the driving range after heavy rains in the Los Angeles basin December 22, 2010. REUTERS/Gene Blevins (UNITED STATES - Tags: ENVIRONMENT SPORT GOLF) 

CEO of E.ON Energy Klaus-Dieter Maubach, German Environment Minister Sigmar Gabriel and Volkswagen's CEO Martin Winterkorn (LtoR) pose for photographers as they unplug the power cable to a 'TwinDrive' VW Golf car in Berlin June 26, 2008. Volkswagen presented for the first time on Thursday a new drive system for a new generation of electric motors, operating with an extremely efficient Lithium-ion battery and a low fuel consumption fuel engine. REUTERS/Fabrizio Bensch (GERMANY) 

Blackberry devices are seen in Los Angeles in this March 3, 2006 file photo. A new grass-roots movement is underway in which techno geeks, Internet addicts, "crackberry" users and compulsive IMers are deciding to wrest back control of their lives by daring to switch off -- if only for a day. To match feature UNPLUGGED/ REUTERS/Mario Anzuoni/Files (UNITED STATES) 

A journalist looks at her Blackberry communication device on Capitol Hill in Washington in this April 18, 2007 file photo. A new grass-roots movement is underway in which techno geeks, Internet addicts, "crackberry" users and compulsive IMers are deciding to wrest back control of their lives by daring to switch off -- if only for a day. To match feature UNPLUGGED/ REUTERS/Jim Young/Files (UNITED STATES) 

People surf the Internet during the annual "Campus Party" Internet users' gathering in Sao Paulo in this February 13, 2008 file photo. A new grass-roots movement is underway in which techno geeks, Internet addicts, "crackberry" users and compulsive IMers are deciding to wrest back control of their lives by daring to switch off -- if only for a day. To match feature UNPLUGGED/ REUTERS/Paulo Whitaker/Files (BRAZIL) 

People use computers inside an Internet cafe in Xining, northwestern China's Qinghai province, in this November 10, 2006 file photo. A new grass-roots movement is underway in which techno geeks, Internet addicts, "crackberry" users and compulsive IMers are deciding to wrest back control of their lives by daring to switch off -- if only for a day. To match feature UNPLUGGED/ REUTERS/Simon Zo/Files (CHINA)