Using Kogan’s app, we would not only get a training set that gave us the ability to create a really good algorithm—because the data was so rich, dense, and meaningful—but we also got the extra benefit of hundreds of additional friend profiles. All for $1 to $2 per app install. We finished the first round of harvesting with money left over. In management, they always say there is a golden rule for running any project: You can get a project done cheap, fast, or well. But the catch is you can choose only two, because you’ll never get all three. For the first time in my life, I saw that rule
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