. >> that was actually a fireside chat with steve jurvetson and emily chang.id marcus, transforming facebook messenger. ♪ >> you are watching bloomberg west. i'm cory johnson. facebook messenger has 500 million monthly active users according to david marcus, who .oined emily chang today emily started by asking why he thought being a ceo is overrated. >> it is overrated because most of the things you do every day are not actually that much fun. that is the truth. that is what you do for a living. there is nowhere to go. , if that's you do for a living, you get to a place where there -- if you are an entrepreneur, you would rather go build things than manage things. that's why i couldn't resist the opportunity to go build something large, at the scale of one billion plus people. i wasn't able to resist that. >> you are managing 15,000 people at paypal, 100 people at messenger. >> that's great. >> how do you feel seeing everything that has happened in ebay spinning off paypal? how do you feel about this decision? >> i feel great. when i'm happy, i go to work ever