. >> moving on to the next one, this next question comes from kurt coburn. >> when we're hiring a chiefarketing officer to work for us, how do we know they're a great fit into our company culture? >> you have a strong culture in your company. >> i do. >> you can't always tell that from one interview or ever maybe. >> no. in terms of how you know somebody fits in your culture, the answer is ultimately you don't know until they've been there for a couple years. >> years? >> if it's extremely bad or extremely good, you might know right away. and i don't say that in a bad way. at thend of the day -- i'll tell you our interviewing process quickly for people at that level which is way more than one interview that would help. it's still i think at best 60% odds that you really know. >> ari is too humble to forget. we once proclaimed him the cool left smal company in america. he has a great culture. we've got 1700 entrepreneurs here at the conference and they're like snowflakes. no two are alike. one thing i'm a big fan of not multiple interviews, but group interviews. that will give you a wind