Over the last few months I've been approached by many AdTech vendors that are selling "Hyper Local Geo Targeting" for mobile inventory. I've been suspicious of the sales people when they say things like "We can target users with an ad for McDonalds whilst they are standing outside of KFC." This all sounded a bit too good to be true so I decided to look 'under the hood' and put them to the test.
The purpose of the test was to check the accuracy of the location based services that each of these AdTech vendors can offer. Most of these companies claim that they can determine the location of an individual user to a resolution of circa 5 meters from their actual location.
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