I like to use bringing someone up to speed as a vehicle for improving the documentation. Docs go stale and decay, and require regular maintenance. But without a

I like to use bringing someone up to speed as a vehicle for improving the documentation. Docs go stale and decay, and require regular maintenance. But without a fresh eye, you become blind to many of the problems the documentation has. Having a new person go through the docs, feel their pain, and fix the problems (with your help) is a golden opportunity to keep the docs fresh and usable, and more importantly codifies knowledge that can otherwise be lost when people leave.