Pew Research will call more cellphones in 2015

The number of Americans who rely only on a cellphone for their telephone service continues to grow. … To keep pace with this rapid trend, the Pew Research Center will increase the percentage of respondents interviewed on cellphones in its typical national telephone surveys to 65%; 35% of interviews will be conducted by landline. CONT.

Scott Keeter & Kyley McGeeney, Pew