1. Open & Log In to Multiple Accounts Gmail, Facebook, or Twitter Accounts In FireFox
If you have multiple accounts on gmail,facebook twitter and if you want them to simultaneously open it then firefox extension cookie pie will help you
- Install CookiePie Firefox Extension.
- Create a new tab or use an existing one.
- Open the context menu of the tab (i.e: Press the right mouse button over the tab) and select “Toggle On/Off CookiePie”.
- A cookiepie icon will appear over the tab.
- Go to a site (e.g.: http://www.gmail.com) and login into your account.
- Create another tab.
- Enable CookiePie on that tab too.
- Log in with another account on the same site.