They do' date=' but are google one of those companies that pay $5,500 a year for "more detailed postal code data" that is mentioned in the article? At first glance it would appear they do.[/quote'] They probably do considering what they're worth. Twitter's feeds are available through and API and that's everyone's data. They offer it for free, up to a point. When a site pulls enough data requests (1000/day-ish), they have to pay for it. If there's a flat fee for postal code and address data, that there is a good deal for Google.