investors have just begun. welcome to your $$$$$. i m ali velshi, christine romans with me. we ve been following this company with one thing in mind, after a troubling day for stock, can facebook live up to the hype? facebook, the most anticipated tech talk in history. from a startup in a dorm room to a global community approaching a billion people. facebook is the next paradigm shift on the web. first, the internet was defined by the portal, a one-stop shop for everything you needed. then came search, a single place to answer any question you could possibly ask. but facebook represents something different, the idea that the internet and technology can bring people together, and together the community you choose cure ates your buyer journey through life. is this the most important tool in the world or has it peaked. can facebook live up to the hype. if it really is a paradigm shift, can facebook dominate it. we brought together cnn s best time, dan simon in menlo park, ca