If you have a smartphone that has GPS location capability (most do) AND you take pictures with that phone, the potential is there for a fairly significant privacy issue... have a look:
When Peter was moderating the lasqueti e-mail list, he would manually cut-and-paste messages to assemble the daily digest. In the process, he could edit out irrelevant parts of a message, or check back with the sender if there was some question or issue with their message.