“P&G to Scale Back Targeted Facebook Ads.” For those of us in the ad tech industry, it was an eye-catching headline. The story is that after getting deep into targeting specific types of people on Facebook, Procter & Gamble realized they had gone too far, and were getting less effective performance on their targeted campaigns then they were on more broadly targeted ads. Now they’re pulling back their spend on those types of campaigns. Unfortunately it seems like P&G is jumping to the wrong conclusion, as precision-targeted ads, when done correctly, are almost always more efficient than broader campaigns. There…..