Clickable article giving an overview of history, distinctions and definitions, potential uses, current manifestations, and permutations of this thing called (conveniently, but not accurately) 'Web 2.0.'
"Using Flash as the engine, Goowy (a play on GUI, get it?) pretends to be a desktop OS. There's a little "dock" at the bottom (apps even bounce as they "launch"). There's a moderately decent little RSS app, pictured above. You have stickies, a calendar, e