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In case you hadn't noticed, the dazzling variety of bright, sparkly Web 2.0 logos have one thing in common (besides being doomed). Most of them are working off the same couple of fonts. Upside: It's not Comic Sans. But the pedestrian Arial Rounded Bold is the unfortunate champion.

The designers at Font Shop name the fonts used in a couple dozen Web 2.0 logos — dividing the "Softies," "Futurists," and and "Classics." It's painful to see the crisp Xanga logo placed so close to that awkward mid-90s-clipart Bloglines logo, but any attempt to combat Web 2.0 logo vertigo through analysis is a valiant effort.

The Logos of Web 2.0 [Font Shop]