1. Date codes on Parker Pens. Updated Oct 2011. In mid 1934 Parker began marking most pens and pencils with a date code, both the barrel and the nibs were marked. Its Street Pass app automatically collects simple details from other 3DS-owning passers-by, then lets you check out their messages and profiles. good examples of this, and this device offers potentials here. Also with persistent games -. Title Length Color…