When you consider all that there is to keep up with - blogs, Twitter, Facebook, LinkedIn and the thousands of other social communities - there is seemingly not enough time in the day to keep up.  Here's how I keep up with it all and still run three separate businesses:

1.  Get a Google Reader account, and organize all the blog posts, news items and alerts in separate folders.  I have folder for the following things:

(a) "learning" - this is where I put the blog subscriptions of people I want to learn from but don't intend to build a relationship with.