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Teens use Instagram more while abandoning Facebook: Survey

When Facebook bought Instagram, lots of people thought CEO Mark Zuckerberg overpaid for the photo sharing app. In hindsight, that acquisition looks like a bargain. New research shows teenagers are using Instagram a lot more and Facebook a lot less, according to a new survey by Piper Jaffray. Yahoo Finance's Alexis Christoforous and Rick Newman figure out why teens are jumping over to Instagram from Facebook.