The Matrix Reloaded

Matrix sites have emerged as the consumer reports for the web 2.0 generation. Quite a number of these sites now allow you to compare web application in a side-by-side grid. Techcrunch just featured WikiMatrix, which is a site that delves in on the features of the many Wikis that are on the market. Also check out cmsmatrix.org, podcatchermatrix.org, or forummatrix.org. Decide yourself if you find them useful or just targets for spam.