

This is the best answer. Obviously, relax when you need it, but if you’re bored, start learning. It’s interesting (if by choice), it’s good for your brain, and you can use this lull in your career to build skills that you can use to progress later when opportunities come up.
Plus, if you are learning related skills, your “slacking off” might even still look like working to passers by.










I was thinking of the 30 Pin Dock Connector, which was proprietary, but it looks like it used both FireWire and USB protocols.
Apple was known for helping propagate FireWire too.