Last week, Apple (AAPL -0.08%) held its Worldwide Developers Conference, which gave us insight into what users can expect from the upcoming iOS 7. One of the more interesting enhancements is AirDrop, which allows iOS 7 users to wirelessly share content with other iOS 7 users in close proximity. Fool contributor Steve Heller believes that the widespread adoption of AirDrop could potentially steal engagement time away from Facebook (META 0.28%). Check out the video below to get the full story.