Sky Cassidy founded and runs MountainTop Data, a data company that sells leads -- but differentiates by selling 1) guaranteed lead quality 2) a la carte: that is, you buy (not rent) a certain number of leads without an ongoing contract commitment. Seems simple, but that's the beauty of it. We talked about some of the practices in his industry, and the large competitive white space some major competitors have constructed for him. Thanks, Sky!

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