A recent eMarketer Daily report on new research shows that an increasing number of Americans - 11% - use only mobile phones.
What's most striking, though, is that the 11% skews heavily toward the young. In fact, 55% of the mobile-only crowd falls into the 18- to 29-year-old demographic. They are also more likely to be white and have a college degree.
This is all good news if you are in the mobile-marketing field. But it's increasingly bad news for ...