Firefox has been great, and the idea of a phone OS built by a non-profit whose only agenda revolves around standards, privacy, user control, openness and general sanity will be a refreshing change from the likes of Apple, Google, and Microsoft.
Since when Mozilla has been non-profit? They are fully for-profit company. Just because they open source their products and generate revenue via Google instead doesn't make them non-profit.
You are the literally the product they're selling to Google and other search engines.
The easiest way to figure the cost of living is to take your income and add ten percent.