Tomorrow Transformed explores innovative approaches and opportunities available in business and society through technology.
(CNN)Mobile World Congress 2015 brought together 2,000 exhibitors and tens of thousands of delegates under one roof in Barcelona. But as well as the myriad cell phone launches that are the show's trademark, this year's event also pointed to a brave new world of mobile technology, featuring speakers and exhibitors that had everyone asking questions from: What if cars could talk to each other? When will we outgrow 4G? And why isn't my vending machine smart yet?