by Jonathan Goodman | Follow on Twitter

One of the spots where I’d go to do some research for my patients.

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About the Author
Jonathan Goodman

Jonathan Goodman is the co-creator of theNDDC and creator of thePTDC, the largest collaborative site for people looking to how to become a personal trainer. He is the author of Ignite the Fire. Jon maintains a personal blog where he speaks about business, the Internet, life, and everything in between at Viralnomics.