Good question, so what happens when you format a floppy disk or format a hard drive?

好问题，当你格式化一个软盘,或者硬盘时会发生什么呢？

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So obsolete, in fact, that it may quickly join the ranks of such Sony success stories as the hard drive floppy disk and the Betamax video format.

FORBES: Sony Establishes New, Obsolete CD-ROM Format

Through the International Disk Drive Equipment and Materials Association (Idema) all hard drive makers have committed to adopting the 4K advanced format by the end of January 2011.

BBC: Hard drive evolution could hit Microsoft XP users