So much for the olden days of talking on the phone for hours: Texting is now the "dominant daily mode of communication" for teens, according to the results of a recent Pew Research Center survey. The median number of texts per day is now 60 for teen users, up from 50 in 2009, while phone calls have fallen in the same period. Interestingly, however, the heaviest texters also make the most phone calls. (More texting stories.)