Anyone who works with computers learns to fear their capacity to forget. … [M]emory is strictly binary. There is either perfect recall or total oblivion, with nothing in between.

[…]

The offline world works like it always has. I saw many of you talking yesterday between sessions; I bet none of you has a verbatim transcript of those conversations. If you do, then I bet the people you were talking to would find that extremely creepy.

[…]

The online world is very different. Online, everything is recorded by default, and you may not know where or by whom. If you’ve ever wondered why Facebook is such a joyless place, even though we’ve theoretically surrounded ourselves with friends and loved ones, it’s because of this need to constantly be wearing our public face. Facebook is about as much fun as a zoning board hearing.

(source)