Some of the best perks of Mashable are the advice and articles are Social Media. Not only does this website offer the most up to date news and facts in the social media relem, however provides fantastic information those of you new to Social Marketing.
Here is a great place to get started in Mashable - the Social Media page. This page has a sub category page for all the major players in the social media world; Twitter, Facebook, Four Square, You Tube, etc. Take a moment and read through some of the articles and information provided on each of these pages. Each article is a quick read and fairly information on the top news and events with each category.