It seems that after actors and cricketers, it's time for directors to jump into brand endorsements and earn big moolah out of it. Buzz is that director Imtiaz Ali too has joined the bandwagon of stars becoming brand ambassadors. Our sources say that Imtiaz will be seen in an ad of an electronic notebook/tablet company. And it was after some hard convincing from photographer friend Atul Kasbekar that the filmmaker agreed to sign on the dotted lines.