The Importance of Proofreaders

The textbook I needed for the current work project arrived with an errata sheet attached by paperclip.

#3) Efficiency equation: 2.22 x 10^-6 should be 2.22 x 10⁶

What's an order of magnitude or two, or twelve, between friends?

That wasn't wise

I probably shouldn't have tried to pull the hard drive out of the old machine and put it in the new one.

So... who was offering to help with these things again?