In Pictures: 15 iPhone apps millennials can't live...
If you remember the days popping into bars and restaurants, looking for friends or action-packed places, then you're probably not a millennial. They don't waste time wandering the streets and relying on chance. Checking in with Foursquare, they already know where their people are at or can broadcast where their friends can find them. Efficiency is the millennial mantra.
In Pictures: 15 iPhone apps millennials can't live without