[Editor's note: This is an Op-Ed piece by David Cowan, a managing partner of Bessemer Venture Partners. He blogs at WhoHasTimeForThis.blogspot.com.]
In 2006, investment in U.S. security startups plummeted more than 50 percent (Venture Source), even as overall venture investing expanded 12 percent.
It’s no secret that too many startups are chasing the ever more elusive [...]

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