Mark Zuckerberg famously said, “Move fast and break things. Unless you are breaking stuff, you are not moving fast enough.” Since then, startups and growth marketers have latched onto the statement. “Move fast and break things” has become a way of life, an ideal for aspiring entrepreneurs who just want to hustle all day, hustle all night like Gary Vaynerchuk. But how true is that statement, which Mark made many, many years ago? Does it apply to testing and experimentation? The philosophy of high velocity testing, made popular by a number of different testing and growth experts, certainly makes the case that it does.