making more money than it ever has before. it's very difficult to convince wall street investors as well as advertisers to change their minds. especially when facebook has such a stranglehold on how digital digital advertising works in the first place. so they're stuck with buying facebook ads, for better or worse. >> did facebook take any concrete steps when these allegations and concerns were raised about the negative impacts of facebook and instagram? what did they do about it? >> yeah, so, one of the things they've been saying, and sort of maintaining is, look, this is our own research. part of this is so we can change the products and make them better over time. and to be fair, they've taken some steps. part of the impetus for creating