Well as Renior pointed out - Last.fm says differently.
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and as i pointed out:
http://www.last.fm/bestof/2010/chart/10 ...
The reason Kesha is number one is because she's had the most NEW scrobblers/listeners of 2010. Lady Gaga already had a fair amount, but because Kesha just exploded from nowhere, there are more unique listeners this year
i would have thought it would have been lady gaga...
yeah i was surprised as well tbh. or rihanna or something, shes had a great year
The last fm one is based on album scrobbles, Gaga's The Fame Monster wasn't counted as an album because it's a revisited version of The Fame, whereas Animal was a new debut album that came out during 2010 and received the most scrobbles out of any other album that year :P