The authors have apparently been giving presentations to various politicians&#x2F;regulators, using an excellent set of slides:  <a href="http:&#x2F;&#x2F;faculty.chicagobooth.edu&#x2F;eric.budish&#x2F;research&#x2F;HFT-FrequentBatchAuctions-Slides.pdf" rel="nofollow">http:&#x2F;&#x2F;faculty.chicagobooth.edu&#x2F;eric.budish&#x2F;research&#x2F;HFT-Fre...</a>