SMWCon Fall 2012 conference tutorial on fighting spam. The video is available here: http://www.youtube.com/watch?v=rhC1DFeblik&list=PLwtfwT1GnUQRaLki-YcF-_n8ndayi--W5&index=3&feature=plpp_video
8. Extension:SimpleAntiSpam
Principle:
Adding hidden fields
that only bot will fill
Advantages:
Plug-and-play
Disadvantages:
Works only for the
dummiest bots
(C) WikiVote! 2012