Salman Khan gave up a successful career in Silicon Valley to teach people using Youtube videos. Why are his videos so popular? Read on to find out.

Learn how to root and unlock the Nexus one by watching this tutorial video. The Nexus One rooting video gives users step by step instructions on rooting the Google Nexus One phone.

Video tutorial that explains how to jailbreak/unlock iPhone OS Firmware 3.1 and Firmware 3.1.2 using Blackra1n. The instructions allow you to jailbreak you iPhone 3G/3GS and install third party applications that are not available in the app store.