Someone asked recently how to make Facebook their homepage. Although this might not be a good idea for productivity, here's how you do it.
- Figure out which browser you have. You probably have Internet Explorer, Firefox, Safari, or Chrome. You can usually tell by the program icon.

- Set your homepage to Facebook.
- Internet Explorer
- Press the alt key
- Click Tools
- Click Internet Options
- In the homepage input box type "http://www.facebook.com"
- Click OK
- Test by clicking the Home icon
- Firefox
- Click Tools
- Click Options
- Change when firefox starts to "Show my homepage"
- Replace everything in the homepage input box with "http://www.facebook.com/"
- Click OK
- Test by clicking the Home icon
- Chrome
- Click the customize button in the upper right. It looks like a wrench.
- Click options
- In basics, in the startup section, click "Open the homepage"
- In the homepage section, click "Open this page:"
- In the box, type "http://www.facebook.com"
- Make sure the "Show Home button on toolbar" is checked
- Click Close
- Test by clicking the Home icon
- Safari
- Click Preferences
- Click General
- In the home page box type "http://www.facebook.com"
- Close the preferences box
- Test by opening a new window with ctrl-n
For other browsers, look for a preferences or settings section. Within there should be a method for setting the homepage.
Good luck.