you and caterina broke up, a lot of things changed. stewart: yes.tory actually repeated itself. you started another game, and it failed, and he started another company by accident. stewart: yes, it was me and three other original members of the flickr team who all worked at yahoo!. we left and we said, this time, we can't fail. there are 10 times more people online. hardware is 90% cheaper than it used to be, and the internet is faster, and we are all more experienced. but we definitely failed again. so a more ambitious project, and we were able to raise more money. emily: this was glitch. stewart: this was glitch. we were working on the game, we were using irc,, instant messaging for those who aren't familiar, and it is aced on what they call "channels"." it is like a chat room. it is a name, you use a hash symbol, which is where twitter got the hash tag from. evidence to us, we are developing this in the background. it was so irritating to have a problem, and then we would address it in a number of minutes and then get back to what we were doing.

[laughter] emily: you talked about how one of the strengths of flickr was the culture and how caterinad welcome every single user. today, that doesn't happen on facebook and instagram and in fact, online hate is a huge problem. the worry about that on social media? stewart: i do. one of the things we say in my company is that your culture is the worst behavior you are willing to tolerate. not everyone tolerates the worst behavior on twitter, but collectively as a society, as a business, as a culture, we tolerate it in a sense that it hasn't been eradicated. it shifts the boundaries to what is acceptable in a way that kind of encourages more bad behavior, and i think it probably has a negative impact. on the other hand, i think the net impact is hugely positive. i think it people in a way that they wouldn't have been connected before. i think twitter, in particular, gets a lot of criticism and has been outstanding in amplifying the voices of people who would otherwise not be heard. but it is also amplifying and negative voices, should they be doing more to stop that? stewart: they proba