Twitter actually has much less algorithmic content than our competitors. The main indicator that we use with regard to our algorithm is who the user chooses to follow. I would also remind you that you can turn off the algorithm on your home timeline on Twitter. You can choose to see tweets in reverse chronological order, or you can turn the algorithm back on and ask us to surface tweets that we think you would be interested in.
Open AI, open machine learning—I think that is the future of this policy discussion, and we're very much looking forward to it.