To the extent that communication preferences tend to vary by generation and age, current communication preferences of teenagers might have implications for entirely "unrelated" business communications.
Consider what the implications might be for "unified communications," for example. The basic question might be the amount of "need" for unifying some communication modes that don't get used very much.
One study of U.S. teenager behavior suggests that a majority of them text and check Facebook everyday, but few, only about 11 percent, use Twitter daily.
At a high level, that only suggests that one app using point-to-multipoint or "multicast" communications is preferred, over another.
Clearly, multicast is an established way of sharing information, and getting information, whether Twitter is the preferred medium, or not.
You can draw your own conclusions about why Twitter has such low usage among teenagers.
Some might suggest the usage pattern has something to do with user interest in "news."
The theory is that teenagers actually are little interested in news, and Twitter is a medium ideally suited for news distribution.
In fact, that is the main reason many other users engage with Twitter.
The study also confirms what you already knew, namely that teenagers hate talking on the phone.
Only four percent of them consider talking on the phone their "favorite" way of talking to friends.
They instead prefer commenting publicly on each other's Facebook profiles or texting.
Email and instant messaging also are not so favored. Oddly enough, that might have at least some implications for unified communications.
Why unify all tools if email and instant messaging are not preferred or used? Granted, teenagers are, for the most part, not in the workforce as they will be in a decade. But it current habits do not change, they won't prefer to use IM and email when at work. They will text and post, the study might suggest.