Last year's big flop in the tech world was Facebook's PO.
In 2013, Facebook (FB) was profitable and its stock rebounded.
Twitter (TWTR), the latest big arrival in the tech IPO world, debuted in November and made some of its co-founders very wealthy.
Related: Twitter restores blocking function after outcry
On top of that, Google (GOOG) continues to grow its advertising business, driving its stock price over $1,000.
