Here are some random links from sites I like.

Wikipedia: The free online encyclopedia. A wonderful reference site.

Youtube; upload and watch videos. Almost any video. Someone's bound to have uploaded it, not to mention their own videos.

Combat Index, a great reference site for American military hardware. Lots of great pictures and good information.

It doesn't even matter if you have a computer, you just need one. Wacom digital illustration tablets. Arguably the digital artist's greatest tool.

Godchecker.com, a great mythological reference site that lets you search by the god's role and gives concise information on the deity in question, often in a funny way.

I hope you weren't expecting all my links to be productive. Here are two of my most favorite games ever. You can create your own superhero or supervillain and fight crime or be the crime and get fought, or go and fight heroes. You can make your own costumes and do lots of random stuff, and participate in a community of thousands of other players.