Best reached by email: This may surprise you, but email use is the most popular online activity of those 64 and above; 74% of internet users in this age group send and receive email. However, not everyone checks email daily or they may have multiple accounts, some of which they check more frequently.
Best reached by text message: The Pew Internet & American Life Project surveyed teens and found that the majority (54%) use text messaging daily whereas only 11% use email. Text messaging use exceeds cell phone use among this group and the average teenager sends and receives 50 text messages a day. Many have unlimited texting plans.