Here we collect some of the best new examples of companies using advertising to get social with customers , including coffee company Douwe Egbert , which created a yawn-activated drink dispenser in a Johannesburg airport using facial recognition technology , and the frozen food firm Birds Eye , which created a pop-up called The Picture House in three British cities to allow diners to eat for free in exchange for sharing a snap on Instagram . Companies are developing new ways of engaging with consumers through social media and interactives . Walkers , Birds , and Douwe Egberts are some of the big companies changing their advertising strategies . Consumers can tweet or Instagram their way to a free snack , coffee or lunch .
Companies are developing new ways of engaging with consumers through social media and interactives . Walkers , Birds , and Douwe Egberts are some of the big companies changing their advertising strategies . Consumers can tweet or Instagram their way to a free snack , coffee or lunch .