Pew
On Mashable doesn’t sound to good “Only 50%â€
On Read Write Web sounds great “For the first time ever, 50% of all American adults are using social networking sitesâ€
I guess it is all how you look at the data, the glass is either half empty or half full.
Links
Mashable: Only 50% of U.S. Adults Use Social Media
Read Write Web: Half of U.S. Adults Use Social Networking Sites
Pew Research: 65% of Online Adults Use Social Networking Sites