$4bn for snapchat? These kinds of valuations don't stack up to me - sure, startups are speculation not investment, but a four billion dollar valuation is an inc

$4bn for snapchat? These kinds of valuations don't stack up to me - sure, startups are speculation not investment, but a four billion dollar valuation is an incredibly hefty speculation. my bet is that these billion dollar speculative valuations will continue amongst growing startups until a few of them fail to build solid profitability and fold - then we'll have a classic bubble burst through lack of share market confidence, and availability of cash and growth with slow. then, cue blog posts about "the virtues of being an organic-growth hacker"