What's the difference between house and techno?

Ever wonder what the difference between house a techno is? Or maybe you are a junglist and you’re tired of people saying “you listen to techno” and you just can’t explain it to them. Well this will help you! Send them to http://www.di.fm/edmguide/music.swf
It has a family tree of many electronic genres, with audio samples of each! Enjoy! (thx to jbit for tellin me about this)