People Don't Like to "Check-In" to Facebook, Foursquare

People don't like to "check-in" to Facebook and Foursquare, despite a push for location-based services, suggesting problems -- or opportunities -- for improvement.
Just 17 percent of people check-in on Facebook and Foursquare,
according to a survey by marketing agency Beyond. That's not a lot, but
then again, only about half of U.S. mobile users have a smartphone -- a
number that's been