I forgot to label a test tube the other day and found myself surreptitiously trying to smell the contents so I could tell the solvents apart. AR goggles would've been pretty nice about then.

Or when you're putting something back together and you end up with two screws left over.

Or if you want to see your friends' annotations in the book you're reading.

We gave control over the web to third parties. We can have nice things again if we just stop doing that.