Foursquare seems to be the new hot thing. "Checking in" to places on Facebook is a new key phrase. But how many people are actually using these kinds of services? Not a whole lot.
We've all seen students and teenagers unable to look up from their cell phones, but now the usage of texting is growing among the adult population as well.
While it's still the age group with the lowest concentration of social network users, the senior citizen crowd is starting to realize how fun Facebook is.