Need batteries? What's the battery life? Is it heavy? Only eye wear or a helmet? What's the resolution? Can I go outside wearing it? What's the price? Any SDK?

Need batteries? What's the battery life? Is it heavy? Only eye wear or a helmet? What's the resolution? Can I go outside wearing it? What's the price? Any SDK? What's the timeline? After HoloLens, can this video considered revolutionary to justify 4.5B valuation based on their last round [1]? [1] http://www.wired.com/2016/02/magic-leap-raises-the-biggest-c-round-in-venture-history/ http://www.wired.com/2016/02/magic-leap-raises-the-biggest-c...