Mark Sigal is a seven-time entrepreneur who has spent the better part of the past 17 years seeding new ventures in the networked device, device management, and consumer internet spaces. His focus these days is on digital media services; namely the re-envisioning of traditional video, audio, and advertising channels in a mobile broadband-enabled world, with three primary projects: vSocial, a video clip sharing community; Me.com, a master planned online “community of communities”; and Insider Engine, a stock investing service. He also maintains a blog called The Network Garden.