We knew that HP's gamble on webOS was an expensive one, but thanks to the company's Q4 and full-year financials, we're finally getting a feel for just how dearly the webOS experiment cost them. This past year, the company lost a staggering $3.3 billion thanks to their most recent foray into the mobile space. I know I'm not the first to say this, nor will I be the last, but one word comes to mind: Ouch.source