Have two Gmail accounts that you want to keep open at the same time in the same browser? Check out CookiePie, a simple browser extension that will fool your browser's cookie manager into thinking you've got one account open. Once installed, you can have several instances of Gmail, Google Docs, or any other service that doesn't let you have two windows or tabs open with different accounts.
What makes the extension nice is that you can toggle it on and off with a simple right-click on any tab. My test with Gmail got me to the point … Read more