Leaving aside arguments about whether or not tag clouds are the new mullets (http://www.zeldman.com/daily/0405d.shtml), I've been pondering how to make one that is accessible, given the questionable accessibility of most of the ones out there. Tag clouds
Most of the tag clouds I have marked up have had over 10 variations in size or gradients of popularity/importance. This makes it virtually impossible to find standard elements to mark up these gradients and still give them meaning when styles are not a
Is there a true need, an actual problem to solve, that would justify creating a "tagcloud microformat?" This author believes so, and details exactly why (and how) based on a survey of tagcloud models on existing sites.