The startup world moves fast, whether it's the start or the end of a startup. Case in point: Koan. The team management software startup told customers early last week that it had made the tough decision to shut down. The reason: an inability to raise another funding round "on solid terms," wrote co-founder and CEO Matt Tucker. However, by the end of the week the startup's product had been acquired by another company that, like Koan, works with objectives and key results metrics. The...