You can list specific zip codes or cities, or give us coordinates for a “geo-location fence” that defines a certain area. Ads will be shown to computers with IP addresses that are registered within those areas, and mobile devices when they are physically located within those zones. For instance, if you have a computer that is registered to an address in Tacoma, WA, and you are at your house in Tacoma, you would get Tacoma-based ads served to both. If you and your mobile phone fly to San Francisco, you’ll get San Francisco-based ads when you’re there. In some cases, we can also set time frames to identify users who have traveled through a certain area within a given time frame, such as people who visited a specific neighborhood within the last 2 weeks. 

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