How To Sign-In With Multiple Google Accounts in Same Browser

Google has made it possible to sign-in with multiple Google accounts at same time in a web browser. Sign-in with any of your account and open following URL:

Check the radio box "On - Use multiple Google Accounts in the same web browser" and three check boxes under it (after reading what they state).

Here is the screen shot, this way you can setup multiple accounts. That you can open in different tabs.