http://www.cnn.com/2012/05/23/showbiz/eurovision-song-contest-explainer
amazing that you can watch the live stream, thanks to the internet.
http://www.eurovision.tv/page/webtv?program=83843
or if you know how, listen to Graham Norton providing sarcastic commentary
or just check his twitter feed on #Eurovison
Montenegro got the right idea
http://www.thesun.co.uk/sol/homepage/showbiz/tv/4873311/montenegros-eurovision-entry-stars-cage-fighting-bikini-babes.html