What does the EOS R tell us about Canon and the RF mount's future?

Despite not being tremendously exciting, I believe Canon's EOS R shows a more adventurous attitude, at least by Canon's standards, than we're used to seeing. Having shot with the camera, spoken to Canon and read the tea leaves, here's what I think the EOS R tells us about Canon and the RF's mount's future. The RF mount Interestingly, both Canon and Nikon have settled on a similar solution: a short, wide lens mount and have both said it gives them greater design freedom when it comes to making le...