Kelly in Kansas

Found this this morning via me, my life + infrastructure. Interesting way of making connections. But how does it compare to talking to your neighbors or the people you encounter/pass everyday? Is this "safer" because we think we have a more "mutual connection" than living near one another? Or is it simply a way to expand our horizons. The only downside I see is that I don't subscribe to text messaging. And will there soon be yellow arrows everywhere? And how do you get permission to attach them to other people's property? Interesting idea, however.