Dr. Flint McGlaughlin, Managing Director and CEO of MECLAB often says:

“There are no expert marketers; there are only experienced marketers and expert testers.”

EdgeRank Checker claims to be “Using smart tagging to identify the essence of content” and provide insights into how to make Facebook posting more effective.

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Have you expertly tested the insights provided by EdgeRank Checker or another service and used them to improve your results?