I found this fascinating quote today:
These are some great daily reads for keeping abreast of social media and social marketing. I’d recommend picking a few, browsing through the archives, and subscribing to the ones you find helpful. Some offer advice about how to leverage social media to your advantage, while others keep you current on the latest trends. I’ve included an excerpt from each blog’s About page to give you some idea about what each one covers. Here they are, listed alphabetically:pamorama.net, 40 Social Media Blogs You Should Be Reading, Dec 2009
You should read the whole article.