Charlie Demerjian the Inquirer , Sunday 10 August 2008. 19:23:00 Defcon 2008 Annoys users, not bots THERE WERE TWO talks on Captchas at Defcon 16, and they both said the same thing, Captchas are pointless and stupid. This was backed up with a lot of science and code, but the end result is the same, if you have a clue and some time, you can break... ...