By JENNA WORTHAM, VINDU GOEL and NICOLE PERLROTH
The swift rise of upstarts like Snapchat suggests a changing reality for how — and where — people like to spend their time.
Published: November 18, 2013 at 12:00AM
from NYT Technology http://www.nytimes.com/2013/11/18/technology/facebook-strives-to-keep-its-cachet.html
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