Five Reasons for Google Android

I've been told that Android sells for less and operates for less. My source says the lower price is because Google provides the software free of charge. The reason given for the lower operating fees is that more can be done through the browser. One fellow claims $30 per month in savings from the use of Google Voice and SMS messaging.
in reference to: Five reasons Google Android smartphones will beat iPhone, BlackBerry, WinMo | The Toybox | ZDNet.com (view on Google Sidewiki)