Most parents of teenagers are concerned about what their teenage children do online and how their behavior could be monitored by others.
Two-thirds of online adults have a profile on a social networking site, and most restrict access to friends only. Social network users also are becoming more active in pruning and managing their accounts.
Fully 54% of mobile application users have avoided certain apps and 30% have uninstalled an app due to concerns about the way personal information is shared or collected by the app.
Nearly three-fourths (74%) of smartphone users use their phones to obtain real-time, location-based information and almost one-in-five use geosocial services such as Foursquare.
Even though online Americans are more satisfied than ever with the performance of search engines, strong majorities have negative views of personalized search results and targeted ads.
An overwhelming majority (85%) of the adults who use social media report that people are usually kind on the sites. At the same time, 49% have witnessed mean and offensive behavior and they usually respond by ignoring it.
Most Facebook users receive more from their Facebook friends than they give, whether the measurement is the number of friend requests received, the use of the "like" button, the number of messages sent or tagging people in photos. The phenomenon is driven by a segment of "power users."