The launch of Google Image Labeler, a "game" that asks people to label images, and figures that images given the same label by multiple people are likely to be correct, continues the Web 2.0 trend towards bionic software, that is, software that combines machine and human intelligence.

LibraryThing is an online service to help people catalog their books easily. You can access your catalog from anywhere—even on your mobile phone. Because everyone catalogs together, LibraryThing also connects people with the same books, comes up with suggestions for what to read next, and so forth.

The Art Museum Social Tagging Project is a group of art museums is looking at integrating folksonomies into the museum Web by developing a working prototype for tagging and term ollection, and outlining directions for future development and research that could benefit the entire museum community.