Oh, kids today. Once you get them potty trained, they're always on the Facebooks and YouTubing!
Or at least that's what Microsoft (MSFT)thought in 2010 when it introduced the Kin smartphone, designed for teens. The Kin's home screen was a social network feed, and a persistent green spot let users drag photos to share with friends.
Turns out teens are plenty happy with their iPhones. Who woulda thunk it?