industry of companies realizing their products aren't great for the people who use them and sometimes you can fix that and sometimes you can't and sometimes you need to go back to the drawing board and do things really different. what's unclear as you note given the company's leadership is sort of what the impetus is going to be for that sort of rethinking, because it does seem that the company is very comfortable in the idea that's a net positive for us all. >> all right, technology reporter for the wall street journal, jeff horowitz, thank you so much. please come back. we really appreciate your incredible reporting. >> one final thing on the parallel thing, willie, you talked about car companies, they fought against seat belts, congress held them accountable. congress is not holding facebook accountable. they fought against airbags