Some four years after Apple publicly unveiled its vision of free-placement wireless charging in AirPower — and two years after the device was cancelled — the company is reportedly continuing work to bring the technology to market.In a report covering fresh iPad rumors, Bloomberg on Thursday said Apple is still working on a wireless charging device capable of simultaneously delivering power to iPhone, AirPods and Apple Watch.Specifics are unknown, with sources saying only that the device would operate "similarly" to AirPower.Read more