San Rafael resident Mitch Braff talks about his company, LiquidView, on “Shark Tank.” (Disney/Christopher Willard)San Rafael resident Mitch Braff appeared on an episode of “Shark Tank” this month. (Disney/Christopher Willard)From left, Robert Herjavec, Barbara Corcoran, Lori Greiner, Michael Strahan and Kevin O’Leary examine a LiquidView digital window during “Shark Tank.” (Disney/Christopher Willard)Residents look at the LiquidView digital window at Rhoda Goldman Plaza in San Francisco. (Courtesy of Mitch Braff)This LiquidView digital window showcases Venice. This month, he got to tell the world about the company he founded on the Jan. 7 episode of “Shark Tank,” the venture capital reality show. But after LiquidView was featured on the “Today” show last year, he got an email the same day from a “Shark Tank” producer asking him to apply.