It's too early to tell whether Facebook-like features in the workplace will be a passing fad or a lasting trend, but IBM says it's eating its own dog food.

类似Facebook的社交网络功能在职场中究竟会成为一种经久不衰的潮流，抑或只是昙花一现？ 现在下定论还为时过早。

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You could term the popularity of the iPod (and its ubiquitous, iconic white headphones) a fad.

你可以将iPod的流行(以及无处不在的、标志性的白色耳机)看作是一种时尚。

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CPG firm may pay a bundle to buy a startup, only to see its products prove a fad.

一家CPG公司可能为买下一家初创企业付了一大笔钱，结果却发现它的产品只流行了一会儿。

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Five years ago I would have said that locavorism was at its height and that a new fad was coming to replace it.

WSJ: Dan Barber's Culinary Crusade

Another consideration: time-shifting is not a fad and so GetGlue and all its competitors have to think about creating flexibility that allows for on-demand watching.

FORBES: Winning CES: GetGlue Takes The Lead In Social TV And Gets Personal

Indeed, today's loans to telecoms firms may turn out to be much like property lending a decade ago, a fad that caused economic downturn and, for a while, stopped the bull market in its tracks.

ECONOMIST: Is the end in sight?