Yahoo has unveiled precise geo-targeting options for search advertisers. Users can target specific campaigns to cities and ZIP codes, whereas previously they could only hit entire states and designated market areas. The feature comes with an interactive mapping interface that marketers can use to choose cities and Zip codes. The city menu includes about 3,500 municipalities in the U.S and Canada.
Geo-targeting let you analyze a users' search queries, their Internet Protocol (IP) address and other user information to determine where they are and what ads to serve to them. The blog post contains basic guidelines to get started.