evidence that we have that they represent a public health issue as it relates to depression, particularly among teenagers. >> bret: that's a lot of different areas. here is senators blumenthal and thune. >> we need to be doing much more on the senate side to hold accountable the tech industry. particularly on antitrust grounds right now. they have been given a free pass. the fec, the department of justice, they are also getting involved and just taking a look at these companies and their dominance in the marketplace and making sure that they are not misusing that. >> bret: you know, kimberly the fec and doj go after the issue of anti trust. congress is now doing its own investigation on this front. >> yeah. well, it's not necessarily a problem that doj and the ftc are going to take a look at this. i think one of the problems though and you heard it expressed in senator warren's comments the number of times she referenced big and giant being big and