Oh, the irony
Oh goodie!!
Not only are they stealing and scarfing your personal information, and ignoring your privacy, and generally being as morally reprehensible and bankrupt as is possible outside the Sudanese government - they're making millions on it.
Or
stealing Gigabytes of personal data - Free
Selling Gigabytes of personal data - $millions
Selling shares based on theft from your own victims - PRICELESS
For everything else, theres PRIVACY*...
* remember this word, because it'll soon be critically endangered. Your grandkids seeing privacy will be like your kids curling up with a white tiger.