We found this website – 23 Things for Archivists – via a Slideshare presentation:

About 23 Things

…an online program designed to help archivists learn about some of the most commonly used social media (or Web 2.0) tools…a way to encourage employees to explore and expand their knowledge of the Internet and Web 2.0 by having them do “23 Things.” … the first “23 Things” program designed specifically for archivists.
http://23thingsforarchivists.wordpress.com/about/

What are the 23 Things?

The 23 Things are listed under “Beginning” and include activities such as blogging, using RSS and Facebook, geotagging images on Flickr and using Wikis.

Following that are some “Intermediate” activities starting with Cloud Computing at Thing 24 to Using Blogging Software to Create a Website at Thing 46.

Browse through the Slideshare presentation above for more information or head straight over to the 23 Things for Archivists website and get started!