This assumes said email is properly filtered and doesn't get lost in a sea of work spam. I also assert email is actually terrible at context; unless that is part of an existing thread, or again your filtering/sorting is great, you will often spend at least a paragraph just establishing context.
> It is well structured, well documented and offers coherent discourse.
You must have great coworkers who know how to communicate. I cannot say the same for everyone at my company. Email at many of the places I've worked can quickly devolve on more than 3-5 replies.
