i have started doing something! when i walk into some place and stand in line, i do NOT take out my phone and fiddle with something on it. everyone else is. BUT sometimes I have noticed that SOME people look at me and probably think "why does he not have his phone out?" and they feel awkward looking at their phone. and they put it away and stand patiently in line!

I have successfully gotten a few people to do this now while in places! :) i'm getting people off their phones. slowly over time, they may realize they really dont need them except for calls or texts!