krou writes: Living in an ad-free internet thanks to ad blockers? That could be a thing of the past if software firm NuCatcha has their way: make captchas into ads. 'Instead of the traditional squiggly word that users have to decipher, the new system shows them a video advert with a short message scrolling across it. The user has to identify and retype part of the message to proceed. Companies including Electronic Arts, Wrigley and Disney have already signed up.'