Profiles are amazing. I have a personal Firefox profile and a work one, and keep a browser open for each, with no account mixing. It's great. I can also make t

Profiles are amazing. I have a personal Firefox profile and a work one, and keep a browser open for each, with no account mixing. It's great. I can also make the opposite argument for extensions. One of my most-used extensions, tree-style-tabs, has no Chrome alternative.