It seems there might be a change in interpretation. I just got an email intending to clarify the "it's ok to switch devices" policy stating:
"Take it two at a time — Feel free to install Evernote on as many devices as you like. If you’re on a Basic account, you can log in from up to two devices at a time. Need to switch devices? Just log out from one and log in on the other."
However, this is a misrepresentation of what recently happened to me. I logged onto my Basic account - sometime yesterday, I believe - and got a notice that if I didn't immediately REMOVE Evernote from the