i used to come home to visit family in brooklyn and feel like i was stepping into the past.  sure, this is new york, it's hardly the middle of nowhere, but still...a year ago i couldn't even really get people to understand the concept of a "technology nonprofit".  now i'm using the free wireless that's spilling over from the neighbor's house while watching coverage of last week's games for change conference on ny1, and my sister, who teaches history to 7th graders at a local public school, got a bet