Businesses get interactive – Footballing legend Gary Lineker is fronting potato chip company Walkers' new Tweet-to-eat initiative.
Businesses get interactive – People passing any of the three London installations tweet the company, and hey presto: out pops a free snack to accompany you on your journey.
Businesses get interactive – Visitors to Birds Eye's pop up restaurants were able to eat for free in exchange for an Instagram.
Businesses get interactive – The company tapped into Instagrammers' food porn fetish by offering a fully comp dinner in exchange for a snap on the app.
At JFK in New York, fliers were able to participate in Heineken's Depature Roulette - where the press of a button gave them a new destination entirely.
Businesses get interactive – Coca Cola's Small World machines were installed in Pakistan and India, and required a member from each country to perform a task together as a means of facilitating unity between the two countries.
Businesses get interactive – A man raises his glass (well, cup) after Douwe Egberts' yawn-activated coffee dispenser supplied him with a drink at Johannesburg Airport in South Africa.
Businesses get interactive – Dutch airline KLM launched Meet & Seat: an initiative encouraging fliers to check out fellow passengers' social media profiles before their flight so they have the best chance of being seated next to someone with shared interests.