Interactive promotions agency ePrize has received $32 million from Detroit-area investors to add clients, invest in technology and continue expanding, writes DM News. ePrize creates interactive promotions for major marketers such as Coca-Cola, American Express, General Motors, and Procter & Gamble. Investors Brian Hermelin (Active Aero Group) and Gary Shiffman (Sun Communities) will join ePrize's board of directors with the latest round of funding from them; the other two investors and new board members are David Katzman and Dan Gilbert, both from Camelot Ventures.