how much weight do you think this willi carrthe growing calls to break up facebook? or are we looking at more likely scenario of regulation? >> i think regulation is more likely than areak up. antitrust in forcement in this country is very weak right now. it puts him in a line of early facebook uemployees ing the alarm about the company. they say it's too large, t powerful and the governm needs to step in. so hoouz rr isn't the first person to say this but he is a co founder of the company. and while people inside facebooo tend discount his views, i think his voice care eies dely today. >> an early facebook investor hase been out saying me message. but does achbt break up make sense,h ken? >> i was kind of surprised he never brought up the point. kangress to out law the ser voting majority shares that lets zuckerberg control about 60% of the company, even though he sold most of it to the public. tech companies, media companis are using the s sareucture where the owners can still get over 50% control of the company, eve evenow though they don' much of the stock. >> so