The effectiveness of geo-targeting is only going to further improve as mobile use grows and location data becomes more accurate and available. The Local Search Association (LSA) just released data that found that, for the first time, mobile devices surpassed PC use in search for local businesses and services. As I reported last month, the majority of searches (52%) for local information on mobile devices occur either in the car or away from home or work.
Now the ad servers don’t create this table themselves, they license it from another ‎company like MaxMind or DigitalEnvoy, whose primary business is geolocation ‎data.   This is no enviable task; IP addresses themselves don’t necessarily have an ‎obvious pattern in the way they are assigned like a telephone area code would.  It’s ‎a bit like solving a mystery, and the geolocation companies use a variety of ‎methods to approach the problem.  ‎ /injects>
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