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People pay attention to
People do not pay attention to
“Why should people be spying on themselves?“
All the time
Why are we doing it?
Why are our users doing it?
Why are we doing it? Last.fm?”
All music available at once! Last.fm?”
We need to tell people what they should be listening to
Now you could GET all the music Last.fm?”
But you need to KNOW what you want
Last.fm’s mission: Last.fm?”
Harnessing the“knowledge of the crowd”
“Felix has just listened to this specific song"
People pay attention to(Listen)
People do not pay attention to(Skip)
Well over a billion in 2005
Where do we go from here?
Unknown song Last.fm?”
New catalogue entry
__INCOMPLETE___Britney Spears Last.fm?”Brittney SpearsBriteny SpearsBrintey Spearsブリトニー・スピアーズBrtiney SpearsBirtney SpearsBritiany Spearspop Britney SpearsBritney Spears My Shared Folderwww.fm880.com-Britney SpearsBritney Spears -ToxicBritney Spears - [EMG]Britney Spears - Rip by MaRiusSpears, BrittneyBritney Spears And MAdonnaBritney-SpearsB.SpearsBritnery SpearsBritney.SpearsBritney SpearsBritney Spearstrack
Britney Spears (from "OOPS!...I DID IT AGAIN ")Britney Spears - ...Baby One MBritney fuckin' SpearsBritney Spears~201.britney spearsBritney SpeasBritney%20SpearsBritney Spears Britney Spears; Yin Yang TwinsBritney Spears; Ying Yang TwinsBritney Spears Feat Ying Yang Twins布兰妮01_britney_spears_-_everytime_Brtitney SpearsBritneySpears, BritneyBritneySpearsBritney_SpearsBritany SpearsBrittany SpearsBritny Spears
There is a lot of noise
The total size of the track catalogue is 25 million
How do we data mine this "knowledge of the crowd"?
User to userSimilarity
Artist to ArtistSimilarity
Top Tracks clean
Weekly Tracks clean
music you haven't listened to yet, based on what you listened to the previous week
Listen = I like this music
Skip = I don’t like this music
Love = I love this music
Ban = I hate this, never again please
Desertphaser cleanDessert Facer
The answer is quite simple…
… and people will share their attention data with you.
Users can do what they want with it.
… and can wipe them out completely at any time.