Map of 12,647 WiFi access points in Manhattan

Julian found this info graphic showing 12,647 WiFi access points in Manhattan. The data was compiled by wardriving every street! Pretty cool. Indicates access points with red dots. Occurence of access points is dense where you might expect -- commercial areas and middle to high income residential areas.

Note that this includes private, secured, private unsecured, commercial open and public open points. It was compiled by the Public Internet Project. Also cool is the WiFi access finder on nycwireless.