Responding on the second dominant interruption raised by Alistair, members on the mailing group agreed that fractional allocation of people on projects does not work.
Interruption allows a cancelable activity to clean up any work in progress, restore invariants, notify other activities of the cancellation, and then terminate.
中断允许一个可取消活动来清理正在进行的工作，恢复不变量，通知其他活动它要被取消，然后才终止。
3
It's the one place where I can work for prolonged periods of time without interruption. I usually do my best thinking in the air.