I've been using an Advantage at work for about a year, and this happens to me once or twice a week, usually with the Shift key, but sometimes with the Alt key,

I've been using an Advantage at work for about a year, and this happens to me once or twice a week, usually with the Shift key, but sometimes with the Alt key, which is even more disorienting. It goes back to normal after tapping one or more modifiers.