First up, Chester Wisniewski, Senior Security Advisor at Sophos, talks about news from the Black Hat and Def Con security conferences in Las Vegas this week. Then, we speak to Carl Howe, Vice president at 451 research, on why Google’s partnership with Barnes and Noble is an attempt to undercut Amazon’s ebook business (by selling real books). Finally, how well have you kept up with the week in tech news? It’s time for Silicon Tally! This week, host Ben Johnson takes on Megan Garber of The Atlantic.