Apple's new MacBook is pushing the notebook's future closer toward wireless everything - Wi-Fi, Bluetooth, AirDrop, Continuity and Handoff all play crucial parts in this mobile dream - but you're most likely going to have to pay up for extra cables and adapters/dongles to hook up all of your other existing wired accessories. Although we went into the event expecting the Apple Watch to take center stage, it was the new ultra-thin and light MacBook that stole the show.