Jails for cookies, history, etc. I want to be able to stay logged into Google/Facebook/Linkedin for convenience without other browser tabs knowing anything about it...or isomorphically, I want to be able to browse the internet while logged into those services without the pages I am browsing leaking data back to those sites. I'll take the hit of downloading 100k of jquery on my 20mbit pipe a few extra times. I want my…
Wouldn't creating a second user in chromium do what you want here? You could have a specific "social media" user.
Incidentally, Chromium is what I use for Facebook...and only Facebook, on this particular computer. And signing into Chromium with my Google account seems to me to be a big information leak.