As a startup owner, you obviously want to figure out the best way to measure success. These positive reinforcers will let you know you're on the right track.
Without a regular review, you won't be able to take a strategic approach to your efforts, and if you don't understand where you're at, you can't create a clear path for where you're going.
BetterWorks, which just raised a $15.5 million Series A round, merges the concepts of game mechanics and the quantified self to motivate and manage employees' goals.