Ask HN: This whole "change the world" mantra. What recent startups qualify?

8 points by cliftonmckinney ↗ HN
Certainly twitter and facebook, and there are others like Khan Academy, but what are some other startups that qualify--or at least have the capacity to qualify--as world changers?

4 comments

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I'm hopeful for Bank Simple, Square, and others trying to fix up the way we pay each other and take payments. Having operated a small business (salon) for the past two years, merchant accounts, payments, etc are all a total black box and you have no options/control.
Very far and few in between. So, my question is "why"?
Mendeley I think definitely qualifies.

Lanyrd has the potential.

massivehealth.com is supposed to disrupt the health industry.