While I do have accounts in all the significant social media sites in order to properly managae my online reputation, I've come to learn that the best way to manage my own personal brand is to focus on a few key tools. Right now I find that on the professional side, my two primary social-based sites are Plaxo and LinkedIn. Each have their unique features and advantages.
View Paul Ewinger's LinkedIn profile
View Paul Ewinger's Plaxo profile