google that...
A F....Latest international gliding mag has a couple of articles about ADS B ...and the cost.
Google intend to apply there elctronic smarts to produce something to cost about 500 bucks or less, therefore affordable for all.
Of course in the Land of Oz where the air is funny peculiar and ADS B is mandateds by '16... in the US of A by '20 and they will have the benefit of some of the amazing developments soon to come.
Another article re tiny watch size digital radios..Come in Dick Tracey !