Wireless connectivity is high among those under 30 and social network use continues to rise
Nearly three quarters (73%) of online teens and an equal number (72%) of young adults use social network sites.
http://www.pewinternet.org/Press-Releases/2010/Social-Media-and-Young-Adults.aspx
Social networking use among internet users ages 50 and older has nearly doubled—from 22% to 42%—over the past year
Status updating has also grown in popularity among older users; one in ten say they use Twitter or another service to share updates or see updates about others
http://www.pewinternet.org/Press-Releases/2010/Older-Adults-and-Social-Media.aspx
