I have always liked reading John Udell … I think this might be the first time to see him present. His talk is on Annotating the Planet
and started with a very cool mash-up demo using Google Maps. He
reviewed the various Google maps mash-ups, and then went into some
details on his various bike rides that he is mapping with the Gmaps Pedometer.

He touched on the areas of privacy and geotagging of all sorts of information. Referring to David Brins book The Transparent Society
he had some commentary on how to potentially protect ourselves from the
abuse of this information, and how to control who can get at this
information.

He pointed to David Rumsey’s web site,
and quoted from his talk at a recent conference. David has an
amazing collection of maps … and is doing some very cool synthesizing
of old and new maps.