90 Personal Content Experience: Managing Digital Life in the Mobile Age Figure 4-5. Song metadata (content type, artist name, and album name) applied to maintain a folder hierarchy). 4.3 Metadata Maintenance As you may have guessed, the metadata is not always static, but it changes as the content is used. For instance, some media players count how many times a track has been played, and based on this so-called play count then change the rating of the song. This makes sense, because it is unlikely that the users would torture themselves with bad music repeatedly. Naturally, such auto-rating should not override any manual ratings. TO WINAMP OR NOT TO WINAMP? Eddie fi nally came in with his portable disk and uploaded his 85GB collection of MP3 fi les into her computer. Okay, it might be illegal, but who cares – everybody’s doing it. Eddie looked at her importing the MP3 fi les into iTunes, Angie’s favourite player, and suggested that she switch to Winamp, which is just a way cooler piece of software. Angie wasn’t sure. Eddie explained that he had all those carefully crafted playlists for Winamp, mixing the fi les he just gave to Angie into really spacey all-night sessions, and Angie should really try it out. Angie did install Winamp with Eddie and has opened it a few times since then. She still doesn’t know . . . well, in fact she does. That software just doesn’t feel right to her. What’s worse, Angie has spent years in rating her song fi les with