committee, so this is in direct relation to the revelations that th that peopled on facebook o's dataon facebookt he had was shared with cambridge analytics a up to 80 million people need other personal data shared with apolitical research firm with ties to the president. so this is going to be a pretty high wire sort of testimony kind of thing. >> i should note c-span will be covering the testimony and youth can watch live on c-span this week. check our networks for the coverage time. who are you more in this difference being before the committee? >> one of the interesting things will be in the senate house democrats approached some of privacy issues. they like to think that they are in sync with high-tech. it was my accountability or colleagues that decided this is a company that fetches billions of peopl people and for people e diane feinstein from the san francisco area she is the judiciary committee's top democrat how is she going to approach some of these questions? everybody is going to want to getod their. from the lobbying reporter talking about how he's been preparing and how it's been