Do you de-dupe your audience? Well, you should!

Here’s a list of PPC resources we found interesting last week:

Obliterate Facebook Targeting Overlap! via “@AimClear – Step-by-Step Guide To Ditch Audience Duplication

Google and Microsoft Can Use AI to Extract Many More Ad Dollars from Our Clicks
 via @wired – More mundane use for recent improvements in machine learning: boosting ad revenue.

AdWords Call Tracking in Google Analytics by @search_star – For many businesses, phone calls are essential and their paid advertising often results in a customer picking up the phone.