- Log into one of your google accounts.
- Go to https://www.google.com/ac
counts/… - Under your personal settings, turn on "Multiple sign in"
- Repeat for your other accounts
You'll now see a drop-down arrow next to your account name on the upper right when you are in gmail, docs and other services.
You can now easily switch between accounts using the drop-down.
Google is working on the ability to similarly switch between different chrome profiles within the chrome browser. http://techcrunch.com/201
