In the case of music, Microsoft's PlaysForSure software proved flaky: not all music from all stores would play for sure on all players, and the iPod remained unchallenged.

在音乐领域，微软的PlaysForSure软件并不成功：并非所有商店里的所有音乐都一定能在所有播放器上播放。iPod仍然是不可战胜的。

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Other naming bloopers include Bob, HailStorm, Windows Genuine Advantage, PlaysForSure, and 2007 Microsoft Office System.

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We assume it also supports DRM'd WMA playback since the player will be launching with Ultra's, or should we say PassAlong Network's, NepTUNES music service which is PlaysForSure certified.

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In another strong example of Microsoft's continued " investment" in PlaysForSure, it's pulling out of MSN Music, the big M's very own store for selling the not-completely-dead-yet music format.

ENGADGET: Microsoft quits the MSN Music store