First to the useful stuff. Love social media? Then look no further than the Ethority Social Media Prism. A handy guide to all species of social media so that you can know your micromedia from your curated network, your y!gg from your Digg, your tumblr from your Flickr.
But it may be that such an abundance of social media flora and fauna soon begins to raise your hackles and you flip into full-on hate mode. In this case, I can highly recommend this comic strip: "8 websites you need to stop building". Awesome Jim, take note.