Are you preventing the world from knowing the genius that is your Britney Spears impression or that video you made of a guy snoring beside you in the library? Use the easy three-step guide to uploading videos on YouTube posted below and advertise your geekiness with us all. As you can tell, I have no problem advertising mine.
For the complete guide, just
If you haven’t already, set up an account with YouTube. 
Step 1 Log in, click on “my account,” then click on "upload new video" then fill the movie title, description and tag fields (tags are used for searching on YouTube, so if it’s a video of you playing a Wii, type in “Wii,” “Nintendo” and whatever other tag words come to mind. Click “go upload file” tab at the bottom of the page.
Step 2 Click “Choose file” and browse your computer for your video file. Select privacy options – you will have the option of sharing your videos with the entry world, or just viewers of your choice.
Step 3 Click upload video. Presto. You're famous.