This is your Data Sheet newsletter for Friday, June 29, 2018.: This is the web version of Data Sheet, Fortune’s daily newsletter on the top tech news. To get it delivered daily to your in-box, sign up here. Maybe you weren’t impressed with the dozens of members of Congress who tried to pin down Facebook CEO Mark Zuckerberg back in April. Lawmakers each had only a few minutes to ask questions and some seemed wildly ill-informed, at best, about how Facebook operated.