PEW Results: Cell Use & the Internet

Of a national study - surveys and interviews - of 2252 18 years + from April to May 2013, results indicate that 63% are cell internet users [i.e. use their phones to access the net] up from 31% in 2009. if this, 34% - comprised most likely of young adults, non-whites, with relatively low income and education - are cell-mostly internet users.
http://pewinternet.org/Reports/2013/Cell-Internet/Main-Findings/Cell-Internet.aspx