Businesses try to broaden their audience through geological platforms, “which attach real-world locations to phones.”

Las year, Twitter launched ‘geolocation for tweets’ which locates trendy topics. Now, Google is launching Buzz which supports location-tagging options. The media platform makes a list of nearby places, and users can read information about these places from people in and out their social network. These platforms are prominent because it is an easy and free way to advertise businesses.

Other geolocation platforms are Foursquare, MyTown, BightKite, and Loopt.

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Twitter introduced a new feature recently where users can organize all of the people they follow or are interested in into lists. The article below shows some different ways to use Twitter lists, such as creating a professional network of other people in your industry or a list of Tweeters that you think others should follow.

Users can even follow Lists, without having to follow every Tweeter on that List. This can be helpful if you do not want to follow frequent Tweeters that fill up the stream on your home page, but still want to occasionally check their updates.

The article can be found here.