2013 horse meat scandal negative for horse DNA. products were tested but were negative for all foreign DNA. Of the 37% of beef products tested positive for horse DNA, Tesco's inexpensive Everyday Value Beef Burgers tested at 29.1%. All other reported brands had less than 0.3% horse DNA. These products originated from Liffey Meats and Silvercrest Foods in Ireland and Dalepak Hambleton food processing plant in the United Kingdom. Trace amounts of horse DNA were also found in raw ingredients imported from Spain and the Netherlands. Laboratory DNA investigations were requested by the authorities into possible donkey meat adulteration of minced meat products labelled
Criticism of Tesco the Facebook social networking site. In January 2005, Tesco faced criticism for their testing of RFID tags used to collect information on product movement in pilot stores. Critics label the tags "Spy Chips" and allege that they are to be used to collect information on customers' shopping habits. In 2013, Helen Dewdney (also known as The Complaining Cow) brought what is thought to be the first customer legal case against Tesco. She took Tesco to the Small Claims Court after being unable to redeem voucher codes for £80. Tesco told her to use her credit card and said that it