50,000 gPhones will be in testers hands by the end of the year and
gPhones are supposed to be available to the public early next year and
Google needs a wireless infrastructure until they get their own.
Google and AT&T don't seem to have a good relationship, so that really
leaves Sprint or Verizon...but Google has already established a
relationship with Sprint on other projects and Sprint has WiMax
rolling out in the near future which will likely be a global standard.
To start, WiMax is rolling out in Washington DC, Baltimore and Taiwan.
Yes I said Taiwan, it looks like it's going to be a global standad.
Google's going to want the fastest network and Sprint's is already
fast, but WiMax will be leaps and bounds faster than current 3g
technology.
Even if Google does buy the 700mhz spectrum, they won't have the
infrastructure, towers, etc. to support it for years. That leads us to
Sprint again. They'll have to either piggyback on Sprint's
infrastructure with current 3G technology and WiMax and eventually
their own 700mhz if they do bid and win the spectrum. Even if they do
win the 700mhz spectrum, they still need towers etc to support their
new technology.

Since Google will be offering the gPhone for cheap or even free,
Sprint's current sales won't even be an issue. People will line up
around the block for a gPhone. With Sprint being the third largest and
significantly cheaper than both AT&T ($251 Billion) and Verizon ($127
Billion), Sprint's market cap is only $50 Billion, this makes Sprint a
bargain compared to the other choices, especially when you consider
that the gPhone will supply almost unlimited customers.

So this takes us to another angle, Google could easily buy Sprint...