The Week: Advertising news - Poke's Snickers site closes

Mars has forced the digital agency Poke to close down an unauthorised site that encouraged users to create their own slogan for the chocolate bar Snickers.

Consumers could type whatever line they wanted on to the site ( and the words would appear on the Snickers bar logo. The site, which has now been shut down, was supported by a live Twitter feed that allowed users to share their creations.