There are many ways to measure the success of a startup. Profitability, value, how many people use the service or buy the product. One club that includes the cream of the crop is the “Unicorn Club,” those startups that are valued at over a billion dollars. But what about the speed in which startups get unicorn status? While it doesn’t mean they will remain successful for life, it does prove that at one point they caught the proverbial lightning in a bottle.…