Blog Carnivals

Carnivals are essentially self-selected groups of blog posts, submitted by the authors to a site that acts as a host for a particular topic.

Cited by Glynn Moody in the Open Dot Dot blog:

"Carnivals are essentially self-selected groups of blog posts, submitted by the authors to a site that acts as a host for a particular topic. The host may be fixed or rotating. But the end-result is the same: a thought-provoking collection of items on a theme." (http://opendotdotdot.blogspot.com/)