Quora or Groupon. Quora because it provides an extremely high-quality Q&A co... | Hacker News

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dshankar on Dec 18, 2010 | parent | context | favorite | on: Which start-up inspired you most in 2010?

Quora or Groupon.

Quora because it provides an extremely high-quality Q&A community.

Groupon simply because of the crazy growth and insane amount of revenue/profit they generated.

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