text message abbreviations used in speech!

[Dave Wilton]

> #TANSTAAFL:  There ain't no such thing as a free lunch.
> (Unlike GAFIA, this
> #one I think originated outside s.f fandom.)
>
> This one was at least popularized within fandom by Robert A.
> Heinlein's
> _The Moon Is a Harsh Mistress_. He may have originated it, but I don't
> know for sure.

The acronym was coined by Heinlein. The phrase is much, much older.