What exactly IS a ‘Tag Cloud’? Here is some explanation from Wikipedia…

“A tag cloud (or weighted list in visual design) is a visual depiction of user-generated tags used typically to describe the content of web sites. Tags are usually single words and are typically listed alphabetically, and the importance of a tag is shown with font size or color…The tags are usually hyperlinks that lead to a collection of items that are associated with a tag”

A history of the ‘Tag Cloud’ can also be found on Wikipedia…

“The first use of tag clouds on a high-profile website was on the photo sharing site Flickr, created by Flickr co-founder and interaction designer Stewart Butterfield. That implementation was based on Jim Flanagan’s Search Referral Zeitgeist, a visualization of Web site referrers. Tag clouds have also been popularised by Del.icio.us and Technorati, among others.”

Here is a Book ‘Tag Cloud’ using books on Amazon.com…

What are some ‘Tag Clouds’ that you’d recommend (especially ‘book’, ‘computer’ or ‘Internet’ ones)?