I would say both: I don't use a desktop client because I use multiple computers regularly and there are different OSes on the PCs. I don't like the context swit

I would say both: I don't use a desktop client because I use multiple computers regularly and there are different OSes on the PCs. I don't like the context switches between desktop clients. So my email habits were bad, as where those of the others. Wave naturally guided us to a different way of communicating.