- Remember all the details of your project when meshed with the other 12 things that are a priority on their desk
- Find and review all twenty previous emails, each of which hashed out a different detail, and read through the histories to find the final correct datum
- Remember just exactly WTF we were talking about two weeks and 139 emergency rush projects ago
- Able to shave off two weeks from their estimates of time needed, especially when you're two weeks late with your part.
The more you know.
PS, and even if you use an actual 10 minute phone conversation instead of 60 emails stretched over 3 days, you should recap the information. Be Capt. Obvious, you're fellow employees will appreciate it.