I would invest in this for the short haul. Even when it does pop, it won't burst. Way too much hype for a social network that has many issues. Such as privacy policies. JMO
I am not sure if this is what you're looking for. But the name of the book you maybe referring to is entitle: Wisdom on Value Investing - How to Profit on Fallen Angels" written by Gabriel Wisdom.
http://www.amazon.com/Wisdom-Value-Investing-Profit-Fallen/dp/0470457309