How the Trump Campaign Built an Identity Database and Used Facebook Adshttps://medium.com/@MedicalReport/how-the-trump-campaign-built-an-identity-database-and-used-facebook-ads-to-win-the-election-4ff7d24269ac#.wfi8m5s7z by joshfraser • 10 years ago 6 0 10 years agoMEmedium.com