Small, offbeat trends can change the world

This looks pretty cool:

While Malcolm Gladwell's "Tipping Point" explores how a trend emerges from obscurity to the mainstream, a new book says even small trends can have big effects.

College-educated nannies, home-schooled children, spouses who are together only at weekends and home-buyers with bad credit all have the potential to change society, according to "Microtrends: The Small Forces Behind Tomorrow's Big Changes" (Twelve, $29.99).

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