Now imagine you have a written transcript of every conversation taking place, as well as an anonymous ID for every individual. You know where they are and whom they’re talking with. As the product manager for Facebook’s ad targeting, that’s effectively what you’ve got. Sounds like a lot, doesn’t it? Well, it isn’t. Ask yourself how often you mention anything of commercial import when you’re with friends around a sticky table in your favorite dive bar. If you had the chief marketing officers of every big brand and every merchant in the world listening over your shoulder, how often would their
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