Venkatesh Rao@vgrhahaTranslate TweetQuote TweetBenedict Evans@benedictevans·Sep 23, 2015http://nytimes.com/2015/09/23/business/dealbook/the-risk-of-a-billion-dollar-valuation-in-silicon-valley.html?ref=dealbook&_r=0… 'this basic standard part of every venture deal for 50 years is behind a huge surge in valuations this year' Um...5:20 PM · Sep 23, 20151 Like