Looks to copy successful group coupon model
                                
                                
                                    (Newser) -
                                    In its relentless quest for total world domination, Facebook today unveils its latest ploy: Deals, an unapologetic attempt to capitalize on the bargain-wielding model of Groupon and LivingSocial. Debuting in five test markets—Atlanta, Austin, Dallas, San Diego, and San Francisco—Deals is separate from the check-in-based deals model it...