Whilst travelling back from work one day, I tweeted @JustEatUK about a new advert they had hung on the train I was using. Complete with TV Box Set food puns printed on a takeaway receipt, it was a recipe for engagement. @JustEatUK anyone would swear you're trying to sell me something… #AdvertsInTheWild pic.twitter.com/dTLKJets7M — Mike…