It's the time of the year when we look back at the 12 months just past to see what was getting you clicking on just-food. The ten most-read news stories of 2012 include UK grocers signing a code of conduct on promos and Tesco announcing it would put traffic-light labels on its food in the UK. Tesco's likely exit from the US also proved popular, as did a series of M&A stories, including major deals by Hain Celestial, R&R Ice Cream and Hershey.