"Google Phone" is Linux based, GPS loaded, and cheaper?

BeforeGoogle may release 'Google Phone'We told you that Google Phone is based on Linux based on GPS and there are rumors that it will be cheaper.

Details are as follows.
Rizzn.com v11.1: GPhone - It's Confirmed

According to this article, Google Phone adopts Linux as the OS, and it seems that it has a function that coordinated GPS and Google Maps. And by saying a sales incentive based on advertisement revenue obtained by users using Google contents, terminal price can be kept relatively low.

BeforeHTC may ship 'Google Phone' at the end of 2007In picking up that, Google Phone was supposed to be not equipped with GPS, but alreadyIPhone that Google officially offers Google MapsIs it because of the judgment that it is better to add a difference by installing GPS to counter against it?