A browser by itself is a poor thing, letting you browse the Web, but little else. To get the most out of the Web, you need add-ins that give your browser plenty of extra features.
Firefox is well known for its plug-ins, but there aren't as many available for Internet Explorer. Still, you needn't feel left out in the cold. In fact, there are plenty of add-ins for IE as well.
The source includes a list of plugins for IE from killing annoying ads, to restoring crashed browsing sessions, to grabbing video from sites like YouTube and more. And even though its an add-in for Microsoft, everyone one of them are free!