Airing on Friday, August 7, 2015: First up, we’ll talk with Chester Wisniewski, senior security advisor at Sophos, about the Def Con hacking conference and collaborations between government and the security industry. We’ll also hear from Amanda Lenhart, associate director of research at the Pew Research Center, about teens who take online friendships IRL. And stay tuned for this week’s installment of Silicon Talley with Dave Pell, a startup investor who writes the Next Draft newsletter.