Barcode labels are seen inside rare books ahead of digitisation at the Municipal Library of Lyon in this January 15, 2010 file picture. Amid the flat, wide fields of central France, a team of re-trained secretaries and IT experts is packaging Europe's literary heritage for the digital era. To match feature FRANCE-BOOKS/ REUTERS/Robert Pratta/Files (FRANCE - Tags: SOCIETY SCI TECH) 

A man holds his bet receipts at the San Siro horseracing center in Milan May 23, 2009. Italy's once high-flying horseracing industry is flagging, with bets shrinking and prime horseflesh leaving, and the sector has turned to the government for a rescue plan. Picture taken May 23, 2009. To match feature ITALY-HORSERACING/ REUTERS/Alessandro Garofalo (ITALY SPORT HORSE RACING) 

An inmate, wearing a barcoded identification bracelet bearing her number, prepares a dish during a cooking competition at a kitchen inside Changi Prison in Singapore May 26, 2009. The winners of the competition will be rewarded with an opportunity to cook for visiting family members. The competition was organised by the Yellow Ribbon project, which hopes to encourage greater family and societal acceptance of ex-offenders in Singapore. Picture taken on May 26, 2009. REUTERS/Vivek Prakash (SINGAPORE) 

An inmate, wearing a barcoded identification bracelet, prepares a dish during a cooking competition at a kitchen inside Changi Prison in Singapore May 26, 2009. The winners of the competition will be rewarded with an opportunity to cook for visiting family members. The competition was organised by the Yellow Ribbon project, which hopes to encourage greater family and societal acceptance of ex-offenders in Singapore. REUTERS/Vivek Prakash (SINGAPORE SOCIETY CRIME LAW) 

Students with barcodes drawn on their faces play the role of merchandise for sale during a protest demanding free university education at Zagreb's main square May 22, 2009. The students have been blocking lectures at Zagreb University's Faculty of Humanities and Social Sciences since late April. REUTERS/Nikola Solic (CROATIA EDUCATION POLITICS CONFLICT) 

Students with barcodes drawn on their faces play the role of merchandise for sale during a protest demanding free university education at Zagreb's main square May 22, 2009. The students have been blocking lectures at Zagreb University's Faculty of Humanities and Social Sciences since late April. REUTERS/Nikola Solic (CROATIA EDUCATION SOCIETY CONFLICT IMAGES OF THE DAY) POLITICS 

A pharmacist prepares a prescription of Tamiflu at Doughery's Pharmacy in Dallas, Texas May 1, 2009. The United States has 141 confirmed cases of the influenza A (H1N1), formerly referred to as swine flu, in 19 states, the U.S. Centers for Disease Control and Prevention said on Friday, and U.S. antiviral prescriptions spiked ninefold early this week after last weekend's media coverage about a possible flu pandemic, according to pharmaceutical market research firm SDI. REUTERS/Jessica Rinaldi (UNITED STATES SOCIETY HEALTH BUSINESS) 

A student scans the barcode on her bag at St Christopher's Primary School in Melbourne August 15, 2008. No more missing out on valuable learning time, a primary school in Australia has implemented a barcode system attached to school bags which has resulted in a 95 percent improvement in arrival time. Arrival times are recorded when the barcode is scanned, giving students and parents an added incentive to reach classes on time. REUTERS/Mick Tsikas (AUSTRALIA) 

A student scans the barcode on her bag at St Christopher's Primary School in Melbourne August 15, 2008. No more missing out on valuable learning time, a primary school in Australia has implemented a barcode system attached to school bags which has resulted in a 95 percent improvement in arrival time. Arrival times are recorded when the barcode is scanned, giving students and parents an added incentive to reach classes on time. REUTERS/Mick Tsikas (AUSTRALIA) 

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A "Product of Canada" label is seen on a bag of frozen vegetables in Montreal, May 21, 2008.
If a food item says "Product of Canada," all the ingredients and the processing will soon have to be Canadian under new rules announced by Canadian Prime Minister Stephen Harper. REUTERS/Shaun Best (CANADA) 

Pyotr Kuznetsov, the leader of a Russian doomsday cult, peeks out from behind the door of his house in the settlement of Nikolskoye in the Penza region March 31, 2008. A Russian doomsday cult sheltering in a bunker believe credit cards and food packaging barcodes are satanic, the official negotiating the release of five children from the group said on Monday. REUTERS/Denis Sinyakov (RUSSIA) 

Pyotr Kuznetsov, the leader of a Russian doomsday cult, carries a hay fork on his property as police guard his house in the settlement of Nikolskoye in the Penza region March 31, 2008. A Russian doomsday cult sheltering in a bunker believe credit cards and food packaging barcodes are satanic, the official negotiating the release of five children from the group said on Monday. REUTERS/Denis Sinyakov (RUSSIA) 

A horse stands near a house in the settlement of Nikolskoye in the Penza region March 31, 2008. A Russian doomsday cult sheltering in a bunker outside Nikolskoye believe credit cards and food packaging barcodes are satanic, the official negotiating the release of five children from the group said on Monday. REUTERS/Denis Sinyakov (RUSSIA) 

A member of a Russian doomsday cult walks outside it's leader's house as police guard the property in the settlement of Nikolskoye in the Penza region March 31, 2008. A Russian doomsday cult sheltering in a bunker believe credit cards and food packaging barcodes are satanic, the official negotiating the release of five children from the group said on Monday. REUTERS/Denis Sinyakov (RUSSIA) 

Pyotr Kuznetsov, the leader of a Russian doomsday cult, walks near the bunker where the group shelters outside the settlement of Nikolskoye in the Penza region March 31, 2008. A Russian doomsday cult sheltering in a bunker believe credit cards and food packaging barcodes are satanic, the official negotiating the release of five children from the group said on Monday. REUTERS/Denis Sinyakov (RUSSIA) 

Pyotr Kuznetsov (R), the leader of a Russian doomsday cult, a psychiatrist (C) and a policeman walk near the bunker where the group of believers shelters outside the settlement of Nikolskoye in the Penza region March 31, 2008. A Russian doomsday cult sheltering in a bunker believe credit cards and food packaging barcodes are satanic, the official negotiating the release of five children from the group said on Monday. REUTERS/Denis Sinyakov (RUSSIA) 

A member of a Russian doomsday cult stands at the door of it's leader's house in the settlement of Nikolskoye in the Penza region March 31, 2008. A Russian doomsday cult sheltering in a bunker believe credit cards and food packaging barcodes are satanic, the official negotiating the release of five children from the group said on Monday. REUTERS/Denis Sinyakov (RUSSIA) 

Pyotr Kuznetsov, the leader of a Russian doomsday cult, peeks out of his house in the settlement of Nikolskoye in the Penza region March 31, 2008. A Russian doomsday cult sheltering in a bunker believe credit cards and food packaging barcodes are satanic, the official negotiating the release of five children from the group said on Monday. REUTERS/Denis Sinyakov (RUSSIA) 

Pyotr Kuznetsov, the leader of a Russian doomsday cult, and a police officer walk near the bunker where the group shelters outside the settlement of Nikolskoye in the Penza region March 31, 2008. A Russian doomsday cult sheltering in a bunker believe credit cards and food packaging barcodes are satanic, the official negotiating the release of five children from the group said on Monday. REUTERS/Denis Sinyakov (RUSSIA) 

Pyotr Kuznetsov, the leader of a Russian doomsday cult, walks near the bunker where the group shelters outside the settlement of Nikolskoye in the Penza region March 31, 2008. A Russian doomsday cult sheltering in a bunker believe credit cards and food packaging barcodes are satanic, the official negotiating the release of five children from the group said on Monday. REUTERS/Denis Sinyakov (RUSSIA) 

Pyotr Kuznetsov, the leader of a Russian doomsday cult, carries a hay fork on his property as police guard his house in the settlement of Nikolskoye in the Penza region March 31, 2008. A Russian doomsday cult sheltering in a bunker believe credit cards and food packaging barcodes are satanic, the official negotiating the release of five children from the group said on Monday. REUTERS/Denis Sinyakov (RUSSIA) 

Pyotr Kuznetsov, the leader of a Russian doomsday cult, stands next to an ambulance outside his house in the settlement of Nikolskoye in the Penza region March 31, 2008. A Russian doomsday cult sheltering in a bunker believe credit cards and food packaging barcodes are satanic, the official negotiating the release of five children from the group said on Monday. REUTERS/Denis Sinyakov (RUSSIA) 

Pyotr Kuznetsov, the leader of a Russian doomsday cult, peeks out from behind the door of his house in the settlement of Nikolskoye in the Penza region March 31, 2008. A Russian doomsday cult sheltering in a bunker believe credit cards and food packaging barcodes are satanic, the official negotiating the release of five children from the group said on Monday. REUTERS/Denis Sinyakov (RUSSIA) 

A worker scans barcodes by a chiller cabinet of Flora margarine at a Sainsbury's supermarket in London February 6, 2008. Flora is a brand owned by consumer products company Unilever. REUTERS/Luke MacGregor(BRITAIN) 

A protester has painted her face with a barcode painting as she takes part in a demonstration in Berlin September 22, 2007. Several thousands demonstrators took part in a march against Germany's planned interior security law on increasing the monitoring of telecommunications. REUTERS/Fabrizio Bensch (GERMANY) 

Baggage claim tickets are seen at Virgin America's launching of their new Airbus 320 for its inaugural flight to San Francisco International Airport from JFK International Airport in New York, August 8, 2007. Virgin America Inc., the low-cost airline partly backed and fully branded by British entrepreneur Richard Branson launched on Wednesday with a splash of publicity, but found its first flight delayed by a midsummer New York storm. REUTERS/Shannon Stapleton (UNITED STATES) 

A customer looks at a pair of sandals from the new 'Bitten' line of clothes from actress Sarah Jessica Parker at a store in New York June 7, 2007. Jessica Parker won fans and became a fashion icon with her tales of single life in "Sex and the City," and on Thursday sparked a shopping frenzy when she unveiled her own clothing collection. REUTERS/Brendan McDermid (UNITED STATES) 

A compact fluorescent bulb (CFL) packaging displays a mercury warning in this CFL being sold at a department store in Washington March 27, 2007. Mercury is poisonous, but it's also a necessary part of most CFLs, the kind that environmentalists and some governments are pushing as a way to cut energy use. To prevent mercury from getting into landfills, the U.S. Environment Protection Agency, CFL makers and various organizations advocate recycling. Picture shot March 27, 2007. To match feature ENVIRONMENT-LIGHTBULBS/ REUTERS/Hyungwon Kang (UNITED STATES) 

Dutch porn actress Zara Whites, born Esther Kooiman, lies on the pavement in packaging labelled 'flesh' to promote vegetarianism for People for the Ethical Treatment of Animals (PETA) outside the Agriculture Fair in Paris March 7, 2007. REUTERS/Benoit Tessier (FRANCE) 

Bundles of U.S. dollar notes are seen as a South Korean bank clerk works at the Korea Exchange Bank in Seoul January 6, 2006. South Korea's central bank does not think offshore speculators led the recent rise in the won, but rather local investors who drove the rally because of an upbeat economic outlook, a bank official said on Friday. REUTERS/You Sung-Ho 

A shopping trolley mounted with a wireless scanner and monitor is pushed during a retail convention in Sydney. A shopping trolley mounted with a wireless scanner and monitor is pushed during a retail convention in Sydney July 20, 2005. Fujitsu's "U-Scan shopper" allows customers to scan barcodes on products, view uploaded shopping lists, check prices and locate items in stores. The trolley monitors also allow retailers to offer loyalty incentives and personalised advertising based on individual shoppers' profiles. REUTERS/Tim Wimborne 

A NTT DoCoMo camera phone scans a square barcode packed with information such as telephone numbers, Web sites, and e-mail addresses. In most parts of the world, barcodes track inventory. In Japan, mobile phone operators view the tiny arrays of alternating white and black lines as a way to lure users to dial up and stay on. Picture taken May 28, 2004. REUTERS/Toshiyuki Aizawa TA 

Tony Leon, head of the opposition Democratic Party, shows his barcoded identity document after re-registering to vote March 5, in South Africa's second post apartheid general election set for June 2. Leon said he had registered in November but discovered on Thursday that his name was not on the voters' roll South Africa is trying to construct in order to prevent bogus voters. A final round of registering South Africa's 22.8 million eligibe voters opened on Friday.

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