How did Mauricio Umansky land what could be the most talked-about celebrity listing of 2016 -- the illustrious Playboy Mansion? He replied to Hugh Hefner's request for proposal by having the entire team at The Agency participate in the end result. “We basically created a brand for the Playboy Mansion," he explained in his session at Inman Connect New York. "We arrived with a book telling them what their brand was.” Watch the whole thing: Email Amber Taufen Like me on Facebook! | Follow me on Twitter!...