How does the US compare in cellular technology?

Recent Studies show the following:
-US consumers (on a per capita basis) sent fewer text messages than Europeans
-Americans are less likely to be able to identify a phone model by site
-US consumers are more likely to expect a free phone with signing a new contract
-Americans tend to talk more on the cell phone than other countries
-America has a larger variety of advance services.
-America is leading the wireless recycling effort with companies like SellyourCell.com