For many web developers is may be helpful to run multiple instances of Chrome to test multiple user types at the same time without having to constantly login and logout. Here are examples of how to do this by launching Chrome from the command line.
Ubuntu
chromium-browser --user-data-dir=/home/$USER/.config/chromium-profile-test
Mac OS X - Lion
If you're like me then you don't like to run wires all over the house to connect your home network. It is often easier to simply use wireless throughout most of the home. That is, until you want to connect devices that don't have wireless capabilities. In my case, I have a desktop computer which does not have a wireless card. Instead of buying a wireless card for the desktop, I decided to configure an old access point to work as a wireless bridge instead.
