How to Enable extensions in the Apple Safari 5 web browser

Good news, Apple browser fans: Safari now comes with extensions. The bad news? They're not yet enabled by default, and there's no official add-on gallery from Apple. The better news? There's a workaround, and it's easy. In this How To video, we'll show you not only how to enable Safari's extensions, but how to install them and where to get them, too.