don't exist or extinct. There are quit a big business, talking about 100s of billions market for high performance, real-time, or embedded market. The growing popular multifunctional handheld devices run embedded linux or other embedded OS. Sony Bravia TV runs Linux for signal and display processing. iPod, cellphones, wi-fi routers, you name it, this market is huge. If you don't understand of the technology trend, you will be the one who extinct.