Check out Only mostly true/lies to children by Mike Pope<mike@mikepope.com>. Here is an excerpt:
The other day I was taking an introductory training class for some technology at work. There was a slide that outlined the technology, and one of the bullet points had an asterisk next to it. At the bottom of the page was this footnote:
Most strong statements like this are only mostly true….
The full article is available here.