For sale by tweet: Social networking to sell homes

(AP) -- When you sign up for Facebook or Twitter, you expect to get a stream of random messages from the people that make up your virtual social network - but pitches on homes for sale?

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<p><a href="http://www.physorg.com/news159346949.html">For sale by tweet: Social networking to sell homes</a></p> <p>(AP) -- When you sign up for Facebook or Twitter, you expect to get a stream of random messages from the people that make up your virtual social network - but pitches on homes for sale?</p>