I’ve observed all kinds of sharing–the very private to the very public just by overhearing an exchange of conversation.  As I stand in line at the Post Office, the train platform or an elevator among strangers, people talk to me in the most personal way.  Sometime I feel myself blush. I am in awe of easily shared information.  A lot of times before I can stop someone from sharing, they’ve already told me more than I care to know.  Other times, I wonder about people I see every day but have never talked to.  And then one day I hear their voice and muse that the voice I hear doesn’t…