Airing Friday, July 3, 2015: We hear a lot about wearable technologies like the iPhone and how they will change our lives, but little on what it will take to do that. As it turns out there’s one big obstacle: sensors. Plus, 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 Brad Jenkins, Managing Director of Funny or Die’s DC office for a government-themed quiz.