like ken doctor, like tom becktal at pointer. they point out to me that there's no evidence that craigslist had much of an effect. it seems more strongly correlated with the rise of facebook, with the rise of google. it also correlates to wall street and investors taking over newspapers, and asking for greater profit margins. >> do you think that tech leaders have a special obligation to help clean up the fake news problems, since much of it is disseminated through the technology they helped create? >> i won't make the judgment about other people and their companies. all i really know for sure is that i feel like i should do something, so i'm doing something. >> where do you see journalism five years from now? where would you like it to be five years from now? >> i would like to see a relatively small set of news organizations covering global issues, covering national issues, and local issues. i am hoping that the survivors who are making lots of money are ones with high ethical standards. >> well, thank you for spending the time