The document discusses Skyhook Wireless, a company that provides Wi-Fi positioning system (WPS) technology as an alternative to GPS and carrier-based location services. Key points: - Skyhook's WPS uses Wi-Fi access point signals to determine location, claiming accuracy of 250m or better depending on number of access points. - It provides a low-cost solution for indoor location needs and reduces reliance on carriers' GPS and location offerings. - Skyhook has secured customers like Apple, who selected its WPS over AT&T's carrier solution for the iPhone. - The technology poses a threat to carriers' business models for location-based services (LBS) by circumventing their role