i think many people looked at that and said, dave sze and greylock have lost their minds. not just from the outside. partners from the inside said this is insane, not what we do. emily: who said that? david: we had partners. one of the characteristics of our partnership is we like to disagree. we like to push each other. there were partners saying, this will ruin the firm. this is a huge mistake. emily: facebook is going to ruin the firm. david: ruin the firm. emily: do these people still work at greylock? david: some do, some retired. not because of that. emily: john, you are behind some of the newer hits -- dropbox, instagram, tumblr. how do you fill the big shoes of david sze? john: what i learned is you probably don't try. for me, instagram is a good example. i brought it in and people did not love it. emily: really? john: reid was not sure it would work. i believed in kevin and had enough affinity for the category and the product that i really wanted to do it. emily: why didn't reid think it would work? john: i don't know. reid said some words, and who knows exactly w