In order to monetize its giant database of restaurants and other businesses, Foursquare will begin charging its largest_clients_for access to that information. According to a report from the Wall Street Journal, the check-in giant is looking for additional revenue streams. Of the_63,000 companies that use the database, less than one percent will be charged the new fees that will be negotiated on a one-on-one basis. Foursquare already has a similar deal with_Microsoft. The software company pays Foursquare to access its database for Bing. Foursquare has_50 million_users and nearly every business in its database. It’s valuable data and makes sense that...

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