I never heard of this before but it sounds it scales better to big and small jobs, and is more efficient use of available manpower. Say you have a huge job, or

I never heard of this before but it sounds it scales better to big and small jobs, and is more efficient use of available manpower. Say you have a huge job, or many small jobs, that one personal assistant couldn't do at once alone. Or if you don't have enough jobs at all times of the day to keep your personal assistant busy. etc.. Its kindof analogous to renting time on a server farm vs owning a pc.