But Facebook went further than other sites, in some cases signaling which user name or ID was clicking on the ad as well as the user name or ID of the page being viewed.

WSJ: Facebook, MySpace Confront Privacy Loophole

Some of the programs have different requirements for what constitutes a valid user name or an adequate password, creating the disadvantage of multiple credentials for a single human resources hub.

FORBES: The Key To Great Web Software Is A Consistent, Intuitive User Experience

ThisLife saves photos posted by its users as well as photos from other people in which the user was tagged, or identified by name.

WSJ: A Hangout for All Your Social-Network Photos

When a user types in a keyword, such as a surname or a place name, Mocavo searches genealogy Web forums, websites and old discussion threads that rarely pop up in regular searches but can be useful for genealogists looking for clues.

WSJ: Using Wikis and Other Forms of Group Research, Family Historians Are Making Surprising Connections

Will Graph search (the name is terrible for the average user) be another flop, or it will it really change how we search for relevant things in the future.

FORBES: Connect

The user can then confirm the name and press a button to upload the photo to Facebook or Flickr.

FORBES: Viewdle's SocialCamera App Tags And Learns Your Friends' Faces

Many organizations and conferences name specific hashtags to identify particular events, sessions, or marketing activities that they and any user can track.

FORBES: Is This What Tom Cruise Reads on Twitter?

Going forward, he said, Demand will continue to elevate the quality of its content while overhauling or eliminating the lowest-quality, user-generated content of the sort that has occasionally given the company a bad name.

FORBES: Demand Media to Google: Thank You Sir, May I Have Another?