Just because you have co-workers doesn't mean you have a\xa0team. Dan and Kent define a true team, the leaders who make it (we like to call those "Player-Coaches"), and the five\xa0things you have to have to build an effective, evolving team. Some of them are straightforward (like job descriptions), others are a little sexier (incentivizing performance), but\xa0they're all necessary to make the team.\xa0