I don't think they're useful for variable names, but I use them (very sparingly) in comments. A great way to spot what needs refactoring is to find the piece t

I don't think they're useful for variable names, but I use them (very sparingly) in comments. A great way to spot what needs refactoring is to find the piece that caused the most frustration to the author. Under a tight deadline, apologies to future maintainers can also be helpful in injecting some levity.