One year ago today
Sony ceases production on cassette player/recorders: In other news, Sony was still making cassette player/recorders.
Five years ago today
Felted Cthulhu: Artists Amy Rawson and Brian East made this felted Santa Cthulhu (a towering 12 inches of wool and madness).
Ten years ago today
Mental card games without a referee: Is it possible to play card games without a deck of cards and without a referee? The question has profound implications for cryptography, in which the need to nominate and monitor a trusted third party (the referee in a cryptographic transaction) is a major pain in the ass.