Is Marnie Michaels embracing her unsolicited Internet fame? Tonight at 6 p.m. Girls star Allison Williams will be at Soho’s Apple Store to promote season three. On everyone’s mind: Marnie’s music video, which debuted in Sunday’s episode. If we know Marnie Marie Michaels, she’ll be giving some sort of small-scale TED Talk. A title has not been announced, but we took a few guesses.