“with the content you input in Firefox.”
Passwords? Tax information?
I can see Mozilla grouping together all users whose passwords it discovers very weak -- like "12345" or "abcde" -- anonymizing that group, and selling that group to, say, a password manager software company for targeted ads in the Firefox browser, all without identifying any particular user.Tax information?
Same idea as above: Mozilla identifies users with > $10K in IRS debt, anonymizing that group, and selling that group to a tax reduction negotiation company, all without identifying any particular user. The tax reduction negotiation company's targeted ads then appear in the Firefox browser