Spaccarelli has posted online the documents he used to argue his case and encourages other AT&T customers copy his suit. Legal settlements usually include non-disclosure agreements that would force Spaccarelli to take down the documents.

In its letter, AT&T asked Spaccarelli to be quiet about the settlement talks, including the fact that it offered to start them, another common stipulation. Spaccarelli said he was not interested in settling, and forwarded the letter to The Associated Press.

"Browsing means looking at websites and checking email, but not watching videos, downloading files or playing games. We've got a fair use policy but ours means that you'll always be able to browse the internet, it's only when you go over the fair use amount that you won't be able to download, stream and watch video clips."

The library came up with the rule so that customers can't hide their faces, said Toni Grasso, the libraries' administrative manager in the office of programs and partnerships.

"We have security cameras in place, so like banks and courthouses, we're asking people to remove sunglasses and anything that hides the face, for the security of staff and customers," Grasso said.