The average knowledge worker gets 100 emails a day and spends nearly 40% of their day dealing with emails. Just think how many of those are related to endless relaying of documents.
You know the drill; someone writes a report or an RFP or marketing piece and it gets emailed out to XY and Z. They look it over and send it back—to “everyone”—with revisions. “Everyone” looks it over again, tries to figure out what changes were made and then emails it back with their revisions…to “everyone”.