This week gave us a spectacular tech failure with the Shadow Inc. app that basically ruined the Iowa presidential caucuses. But tech failures aren’t always considered a bad thing in Silicon Valley. There’s a mantra here — fail fast — that suggests you should try things quickly as an entrepreneur and move on to the next thing with lots of great lessons in hand. Host Molly Wood speaks with Arielle Pardes, a senior writer at Wired, about how tech companies, even the small startups, should plan for failure.