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Noted neologician Jesse James Garrett, the man who dubbed a set of popular Web 2.0 technologies "Ajax," has announced another project from Adaptive Path, the Web consultancy he cofounded. It's Aurora, an interesting visualization of what a next-generate Web browser might look like. It's user-interface porn of the highest order, with a special bonus if you have a farmer fetish. What the company hasn't announced? The recent departure of COO Bryan Mason, pictured here, who Twittered his resignation on Friday, though he hasn't been filed under "emeritus" on the company roster quite yet. Whoever is named the new COO had better make sure the free-taco truck tradition at the annual company party continues, or there will be hungry-hipster hell to pay. The Aurora browser: