Since late 2007, the economic recession has been accountable for the loss of over 500,000 tech jobs. Some of the biggest companies have succumbed to hiring freezes, outsourcing of work, and downsizing of staff in hopes of higher profit margins. Others are on the verge of filing for Chapter 7. Though things are on the uptick, the recent layoffs at Yahoo!—new CEO Scott Thompson let go 2,000 employees two months after taking the position—remind us that anything can happen. The good news, however, is that Thompson's round of layoffs wasn't nearly as bad as some of the firings other tech companies had to go through as recently as 2010. If you losing 2,000 people was bad, check out the 10 biggest tech company layoffs.