The US government isn’t allowed to wiretap American citizens without a warrant from a judge. But there are plenty of legal ways for law enforcement, from the local sheriff to the FBI, to snoop on the digital trails you create every day.
Electronic Frontiers Foundation releases its report on popular e-book platforms and their privacy policies. They comb through the fine print of Google Books, Amazon Kindle, Barnes & Noble Nook, Kobo, Sony, Overdrive, Indiebound, Internet Archive, and Adobe Content Server so you don’t have to, though you really should.
We know by now that almost all e-book platforms track book searches and purchases, but nevertheless, it is still disconcerting to see that material gathered in one place. Google, Amazon, Barnes & Noble, Kobo and Sony all collect this information, and a great deal more.