If you really want to be pedantic, it was one of the first such mashup apps with the Google Maps "API" that hadn't even launched yet. That's what was so cool a

If you really want to be pedantic, it was one of the first such mashup apps with the Google Maps "API" that hadn't even launched yet. That's what was so cool about it, and why Google was so interested in bringing him on, he reverse-engineered their API that they were still building.