Before there was Google Maps, there were pigeons.
Every November, GIS Day showcases geographic information system (GIS) technology that many of us use every day without even thinking about it. It's a large part of our work, and our own GIS team has routinely used the unofficial holiday as a soapbox for sharing little-known facts about the technology and its amazing potential.
GIS Analyst Eric Baker recently reflected on the history of remote and satellite imaging dating back to the 1800s. That history included references to the year 1906 when professional photographers would harness one-shot cameras to the breast of carrier pigeons.