The document discusses the rise of social media and how real estate businesses can benefit from using social media platforms like Facebook, Twitter, YouTube, and LinkedIn. It notes that while 75% of small businesses don't use social media and 86% don't do email marketing, social media spending is increasing. The document provides tips on setting up business pages on Facebook and Twitter, using blogs to improve SEO, uploading videos to YouTube, and using mobile apps and sites to engage customers. It argues that social media is a cheap, powerful way for real estate businesses to connect with potential customers and get referrals.