The name Greg Grunberg probably doesn’t mean a thing to you. Oh, you’ve seen him before– he’s had a string of roles in hit shows like Heroes, Alias and Felicity— but he’s hardly a household name. Online, however, Grunberg cuts a much bigger profile, using Twitter and other social media apps to build his fan base in a way that having long-running TV career never quite managed. In a video interview with Mashable’s Benn Parr, Grunberg shares the secrets of his Internet success. Checkout this and other awesome links that didn’t quite make the cut for today’s daily SmartBrief on Social Media newsletter.