Can startups with Hollywood celebrities draw in venture investors as easily as they can draw an audience? Not exactly. The celebrity can get a company so far. It’s the site's raison d'etre that determines whether it's one that can generate venture returns. And, if people are already accessing full Web pages on mobile phones, is it too risky for companies to build "bridging" technologies to get videos on mobile gadgets today? Those are questions we explore in this week's Vator Box. In this episode, Tim Chang, venture partner at Norwest Venture Partners and last week's VB guest host, joins Ezra Roizen (Vator Box regular) and I, as we look at WeMix.com and Transpera. The bottom line is both Ezra and ... [ read more]