Positioning system uses Wi-Fi, not satellites is GPS outdated?

EETimes.com - Positioning system uses Wi-Fi, not satellites
I have a GPS receiver in my glove box, I haven't turned it on for months. The novelty wore off. I'm reminded how I wanted to tag my photos with it.
That became too labor intensive. I may revisit this concept again.

The Wi-Fi Positioning System (WPS) initially is being rolled out in 25 metropolitan areas, the company said in a statement. It enables the monitoring of any Wi-Fi-enabled device such as smartphones, PDAs and laptops, the company said. The client software access a database of more than 1.5 million WLAN access points in the initial 25 coverage areas, which it uses to calculate location within 40 meters, the company said in a statement.