joining me with more is our bloomberg billionaires reporter tom metcalfe and sarah. what is happening here? 99% of his facebook shares. >> it is worth $45 billion today, a big chunk of money. although he is phasing it out he is doing $1 billion a year or for the next three years. he will be containing voting control. it takes effort to get going as much money. you have to get these investments. but so far he is telling us that he cares about health and education and inequality in technology for change. emily: he wants to advance human potential and technology on disease and connectivity. if this on any scale that we have seen before? how does this compare to not just other tech titans but other billionaires? >> it is incredible. the other two people would be warren buffett and bill gates who basically combine forces into the gates foundation. this 99% of his facebook stocks, worth $45 billion, the gates foundation is about $21 billion but in terms of the enormous gesture, and is pretty much without compare. emily: i just over 30 years old, which is very young for a b

joining me now is tom metcalf and dan, my guest host for the hour.ech is seen as a place where great wealth is represented. does that represent the change in the index or the members of the index? >> tech stands out from all the other industries. you mentioned the index as a whole was down near $19 billion. startups by valuation can push a few guys on to the list but the top tech billionaires, as you said are bezos, gates, and zuckerberg. there are two larry's in the list. >> i would like to be adopted by either one of them right now. cory: do people in silicon valley care about this? dan: i care. do they care? i'm very fortunate to know many of these people and work with many of these people. the fact of the matter is these people look at wealth not as a scorecard but as an asset. i think larry, probably yes. you're talking about the more recent ones like mark zuckerberg and those people. they would say wealth is an asset to be used toward something they believe in. cory: thank you very much. you're watching "bloomberg west." stay with me, we have a