In a reported $20 million acquisition deal, Apple has bought the "indoor GPS" company WiFiSLAM, according to the Wall Street Journal Digits blog.
The startup, founded by Stanford CS grad & former Google coding intern Joseph Huang, offered a way to let smartphones find their location indoors to an accuracy of less than 10 feet (2.5 m) using the ambient WiFi signals in the environment.
This isn't Apple's first foray with WiFi localization; the original, GPS-less iPhone used Skyhook's technology to provide more granular location info than could be gleaned from cellphone towers. Bu