Nate St. Pierre writes:
Lincoln was requesting a patent for “The Gazette,” a system to “keep People aware of Others in the Town.” He laid out a plan where every town would have its own Gazette, named after the town itself. He listed the Springfield Gazette as his Visual Appendix, an example of the system he was talking about. Lincoln was proposing that each town build a centrally located collection of documents where “every Man may have his own page, where he might discuss his Family, his Work, and his Various Endeavors.”
He went on to propose that “each Man may decide if he shall make his page Available to the entire Town, or only to those with whom he has established Family or Friendship.” Evidently there was to be someone overseeing this collection of documents, and he would somehow know which pages anyone could look at, and which ones only certain people could see (it wasn’t quite clear in the application). Lincoln stated that these documents could be updated “at any time deemed Fit or Necessary,” so that anyone in town could know what was going on in their friends’ lives “without being Present in Body.”
A patent request for Facebook, filed by Abraham Lincoln in 1845.
(Though it is astounding Lincoln was imagining a nearly identical privacy system.)