They use that data to make specific recommendations and automatically create a radio station for you that plays Last.fm's recommendations for you based on what you like.

他们每周也会跟踪那些在你的试听列表出现和消失的艺术家们的数据，并使用这些数据为你做个性化的推荐，自动创建一个播放Last.fm向你推荐歌曲的电台。

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Today (tied in with an appearance by CEO Daniel Ek at LeWeb 2011) that's been upgraded, as the freshest preview builds move the Radio section down among the new Spotify Apps, where it now lets you drop in any song from your library for it to automatically create a radio station of similar music around.

ENGADGET: Spotify Radio feature turns into an app, offers Pandora-like stations with unlimited skips

After signing up for an account, users can type in the names of favorite bands, and Pandora will create a customized radio station that spins similar songs.

CNN: Pandora eyes global market, talk radio

For car trips with Dax, he uses the Pandora app to create a customized children's music radio station that will play his son's favorite tunes.

WSJ: At-Home Dads Make Parenting More of a 'Guy' Thing