Living in Silicon Valley, running a software company with big ambitions I hear the question a lot. Is this another tech bubble? Isn't is going to burst again? The short answer is no. Pundits covering tech tend to confuse valuation with long term value. We may well be in a valuation bubble but unlike the 2000 tech bubble the companies in question have deep, sustainable revenue models. There are certainly some high valuations - per Fred Wilson's view of frothy valuations in April - and these are driven by investor [...]