Prodigious Profit, LLC$,$ and other companies operate social media Web sites, issue apps for mobile devices, obtain ad revenue from search engines, and sell directly to consumers from other sites. The privacy rights of the users of these products are frequently defined, not by the courts or legislatures, but by

the companies that own the sites and the apps.

retailers who have had to change their procedures to compete.

spammers, cybersquatters, and typosquatters.

Internet service providers.