Social Media

33 million American internet users have reviewed or rated someone or something as part of an online rating system.

The percentage of American adult Internet users who say they download music drops by half and the usage of some file-sharing applications declines.

This report analyzes the responses of more than 64,000 Americans to phone surveys in the past three years. It finds that 63% of U.S. adults now are online and many of them have built Internet use into their lives in practical ways.

Susannah Fox discusses national and California state survey findings.

This presentation is an overview of the Project’s ongoing research about how people use the Internet to get medical and health information.

Ms. Lenhart's speech covered how young Americans use the Internet, with a particular focus on instant messaging.

Half of American adults have searched online for 16 health topics ranging from disease information to smoking cessation strategies. Health seekers go online to become informed, to prepare for appointments and surgery, to share information, and to see...

Americans expect to find what they are looking for online in news, health care, government information, and shopping.

Fully 88% of local elected officials use the Internet in the course of their official duties and many say their online activities have helped them learn more about local public opinion, stay in touch better with community groups, and encounter new voices in local civic life.

This report contains the first scholarly studies built around analysis of hundreds of Web sites that have been cached in the September 11 Web Archives, and makes clear that no event in the Web era has so dominated so many Web sites in such a short, intense period of time.