I'd suggest that you go after end-user consumers first by adding 10:10 support to their personal GPS devices -- iPhone, Windows Phone, Android. If people like

I'd suggest that you go after end-user consumers first by adding 10:10 support to their personal GPS devices -- iPhone, Windows Phone, Android. If people like the idea, then major manufactures of single-purpose devices are more likely to adopt it. Plus, it's pretty cheap to build an "app for that".