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  3.16. McKay Thomas of First Opinion on Rapid Experimentation (3 min.)

McKay Thomas is the Founder/CEO of First Opinion, a text-a-doctor service, which has raised over $2.5 million to date. Thomas is also the Co-Founder of, the premier online retailer for baby supplies in Brazil.

In this video, Thomas argues that testing many core business ideas through rapid experimentation is highly important to the success of your product and venture.