Before "web 2.0" sites used to order things, very boringly, by descending popularity.
"Web 2.0" ushered in "tag clouds",
wikipedia definition, which look something like this:

How very rich and important the data looks when displayed that way! These web 2.0 guys must really be onto something.
Today I noticed that blogger.google.com offers automatic, and attractive, "label clouds". Something about it seemed very .. usable .. and very .. familiar. What could it be?

Wait! an ordered list of most popular tags on downward?
Have we just come full circle?