Let me show you how simple is is to turn your Samsung Galaxy S3 into a wireless hotpot you then connect to with any other WiFi device and surf the Internet.
You can add multiple desktops to the Mac OS X Mountain Lion by using Mission Control, formerly known as Spaces. Can be really useful if you are a busy multi-tasker.
Very useful Javascript feature that can prevent a user from losing the data they are entering in an entry field or text editor in case of unintentional leaving of a page.