Put your multiple online personalities in Firefox Multi-Account Containers – The Firefox Frontier
Our new Multi-Account Containers extension for Firefox means you can finally wrangle multiple email/social accounts. Install it and be who you want to be!
14 Sep 2017 ... Click the Multi-Account Containers icon to use or manage the feature ... stores cookies separately, so you can log into the same site with different accounts and online trackers can't ... Twitter and Facebook: unfck the algorithms.