Pew Internet and American Life Project provided data on what US teenagers typically do on social networking sites.
| Post messages to a friend’s page or wall | 84% |
| Send private messages to a friend within the social networking system | 82% |
| Post comments to a friend’s blog | 76% |
| Send a bulletin or group message to all of your friends | 61% |
| Wink, poke, give “e-props” or kudos to your friends | 33% |