By DAVID STREITFELD
A heady stew of technology, entrepreneurs and venture capitalists is simmering again, but along with the rich payouts and soaring valuations is an undercurrent of concern.
Published: November 27, 2013 at 12:00AM
from NYT Technology http://www.nytimes.com/2013/11/27/technology/in-silicon-valley-partying-like-its-1999-again.html
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