Why Salesforce Is Winning The Cloud Platform War
Great article from Forbes on how the success of salesforce.com as a platform is attributable directly to its developer community.
Great discussion on when administrators should use profiles or permission sets when assigning permissions to users. If you are not following Adam Torman's blog go do so now. Not only is he one of the nicest guys at salesforce.com but he's one of their best PMs as well.
Some of the smartest guys I know join the Force.com MVP ranks.