ms. bickert, much of the public discussion is focused on facebook's moderation practices. there is a compelling argument that the problem is not the quality of the moderation were the nature of the algorithm, but the underlining business model. your scale and power. while you clearly have an obligation to remove certain content, for example incitement of violence. i am not excited about huge multinational tech companies becoming the arbiters of legitimate speech and expression, especially when the decisions about what you may suppress algorithmically are often made in secret and under heavy pressure from politicians and advertisers in public opinion. so, on the subject of your scale and power, i would like to ask does facebook anticipate that it will in bar going for the requisitions of competitor services in light of the suit that you are already facing from the ftc and a number of state attorneys general alleging that the acquisitions, instagram and whatsapp constitute anticompetitive activity. >> senator, thank you for the question. of course i can't comment on any liti