My colleague Josh Anderson and I were chatting on the Meta-Cast the other day about agile team sizes. While there are no prescriptive limits or guidelines to agile team size, there are general guidelines.
From Scrum, the size has always been recommended to b 7 +/- 2 (or 3..9 in the latest Scrum Guide) as the preferred size for teams. But as in all things agile, direct experience is always valuable. So what was ours?