How Dash Hudson launched (and killed) four products in two years and lived to tell the tale. If you’re an early-stage startup founder, a successful pivot story is much like a modern-day fairytale. It’s got all the right elements—heroism, suspense, and near-death encounters. Most companies that attempt a pivot will die on the battlefield. They’ll put up a good fight, but eventually, their time runs out and they’re quickly forgotten. Yet, every so often, a legend is born… Twitter started as Odeo—a podcast network. Instagram started as Burbn—a check-in app for gamers. Groupon started as The Point—a crowdfunding platform for…