If there are people who have been waiting out for a perceptively more safe bet to make in the technology stock market, one can only assume that this is the one they will be comfortable with betting on. Earlier filings such as those of LinkedIn, Zynga and Groupon have seen timid responses, and perhaps rightfully so. Facebook is far more well known and it's traction much easier to assess.

So perhaps this is the one IPO that will have taxi drivers finally going back to discussing tech stocks again, which is the proverbial sign of the bubble that everyone is on the outlook for.