Crowdsourcing began as a legitimate tool to leverage the wisdom of the crowds to solve complex business and scientific challenges.

FORBES: The Rise of Crime-Sourcing

It is the ideal tool for entrepreneurs to leverage networks, reach out to new contacts, and fill in the missing pieces of their projects.

FORBES: 10 Free Tools Every Female Entrepreneur Should Use

These presidents understood that diplomacy backed by real leverage was a fundamental tool of statecraft.

NPR: Transcript: Obama's Speech at AIPAC