Local advertising is the great untapped market for the Web, and unlocking it is what is driving much of mobile and geo-targeted advertising these days. Think Google Places, Yelp, Craigslist, Foursquare, Patch, Citygrid, Gowalla, Yodle, Yext, and so on. How big is the local advertising pie and how much can Internet companies capture? According to a brand spanking new forecast from market research …
