http://www.technologyreview.com/blog/helloworld/27806/?nlid=nldly&nld=2012-05-02
(...)
"IPS isn’t just hyper-refined GPS. Actually, it’s a whole different category of technology, relying on different aspects of our infrastructure to help locate you within a space. Different companies are cobbling together different approaches to IPS..."
(((Different? Or the same?)))
http://www.technologyreview.com/web/40303/?nlid=nlcomm&nld=2012-05-02
