# Problems that require system-level solutions often require massive teams This is especially true when you’re talking about systems *within* an organization - you need to replace-in-place, backwards compatibility etc. This may be one of the [[§Corporate R+D Constraints]] and a reason why [[Corporate R+D orgs are expensive]]. From [[Conversation with apple research guy 12/2018]] <!-- #evergreen --> [Web URL for this note](http://notes.benjaminreinhardt.com/Problems+that+require+system-level+solutions+often+require+massive+teams) [Comment on this note](http://via.hypothes.is/http://notes.benjaminreinhardt.com/Problems+that+require+system-level+solutions+often+require+massive+teams)