blackhawks...is the nifty message we get when a new audio update is available part of a GOIG patent?...if so, any thoughts on adapting that feature as a public address system and marketing it?...I'm thinking that schools might want to purchase such a service to notify families of unhealthy air days in smog prone cities like LA, school cancellation days due to snow in extreme weather climates, emergency notifications for school evacuations, etc.