Update: 1/15/12 Now free in the US Kindle store.
Update: Also free from Barnes & Noble.

Book DescriptionGet the free ebook from Barnes & Noble.
Social media networks are the fastest, most cost-efficient, and effective way for businesses to expand their business and promote their products. Steve Bookbinder, social media business guru, and John K. Waters, veteran hi-tech report, show businesses how to take advantage of the Facebook, LinkedIn, and Twitter, along with dozens of other social media sites to access millions of potential clients and customer.
Get the free ebook from Sony.