It looks like that vending machine is the source of most creative campaigns.
A snack manufacturer, Walkers, have just launched a series of interactive campaign in some bus shelters across London. The campaign, which named Twitter Powered Vending Machines, takes place inside bus shelters where Walkers’ ambassador, Gary Lineker, is sitting inside the vending machine. Well, it’s not Gary himself, but his virtual form.
The main goal of the campaign is to provide free samplings of three Walkers Crisps new flavours in the hands of bystanders across London. All they need to do to get a free pack is tweeting about the campaign, presumably with a certain hashtag. This is definitely a cool and creative way to distribute free samples of new products, while at the same time promoting them. Good job, Walkers Crisps.