The document lists information about several young tech entrepreneurs including their age, net worth, position, and company. Mark Zuckerberg is listed first with a net worth of $17.3 billion as the co-founder, chairman and CEO of Facebook at age 29. Other entrepreneurs mentioned include the co-founders of Facebook, Dropbox, Airbnb, Instagram, Snapchat and Tumblr. All are under 30 years old and have net worths ranging from $200 million to $17.3 billion.