I had a problem yesterday, so I called Eric, the 11 year-old next door, whose bedroom looks like Mission Control and asked him to come over. Eric clicked a couple of buttons and solved the problem.
As he was walking away, I called after him, "So, what was wrong?"
He replied, "It was an ID ten T error."
I didn't want to appear stupid, but nonetheless inquired, "An, ID ten T error? What's that? I want to know, in case I need to fix it again."
Eric grinned ..."Haven't you ever heard of an ID ten T error before?"
"No," I replied.
"Write it down," he said, "and I think you'll figure it out."
So I wrote down: ID10T
I used to like Eric, that little smart alec...