Ironically, the thing that drove me to Firefox was the excellent Account Containers system that I found necessary to manage being logged into multiple Google Apps accounts simultaneously (I have five ). Each tab owns one account — that way, Google Drive files from my work don't randomly refuse to open because I'm also logged into my personal account. (Chrome has no solution for containing accounts across tabs, last I…
Though unfortunately, history and bookmarks are not isolated to their individual containers, and Firefox's profile management system is a PITA compared to Chrome's easy button in the title bar.