You know how Tim Cook said Apple will be "doubling down on secrecy" for unannounced products? Well, the company's hush-hush mentality seems to be informing the design for its upcoming Campus 2. According to plans and technical drawings on Cupertino.org, Apple could be moving its press events underground -- into a mammoth subterranean auditorium that will no doubt also serve as Cook's secret lair / bunker for t