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If you value privacy, ditch Chrome and switch to Firefox now
(www.fastcompany.com)
This is a most excellent place for technology news and articles.
I don't use separate profiles (which I reckon are analogous to accounts) - but Firefox does have a feature called 'Container tabs' where you can isolate a sessions cookies into a container (default ones are labelled things like Shopping, Personal, Work, etc).
However, I think these are somewhat moot now as I think Firefox handles cookies differently in some way that went over my head - so I'm doing that thing where I post a semi incorrect answer to ensure someone shows up with the correct one.
The containers are useful for having multiple accounts. Eg I have a work tab that has my work Gmail/PayPal/etc accounts logged in, so I can easily switch contexts without closing all my other tabs/windows