After two years of work, the wrapper comes off the giant glass cube this week, as Apple’s Fifth Avenue flagship opens to the public this Friday. The big reveal coincides with the company’s latest releases, including new iPhones and an Apple Watch — an appropriately grandiose homecoming for new gear. This morning, the company offered a sneak preview to select media, ourselves included. Apple pulled back the curtain as a handful of curious onlookers stood by on the sidewalk.