What: Schmap, a location technology service provider, launched Know Your Followers to provide Twitter users with more information about their audience.

The service, which is available in free and paid versions, provides Twitter users real-time access to a demographic analysis of their followers.

How: The information provided includes insight on each follower's gender, marital status, profession, interests, and location by country and state. For each of the six demographic sections, the service also provides the top ...