Apostrophes are not used to form plurals. (Some style guides give some exceptions, but this is not one of them.) The plural of "typo" is "typos". "Typo's" is a word, but it's the possesive form of "typo" (so it's not the word you want here).
(Ninja edit: better link.)
Thanks that helped. Too bad the spellchecker missed it.
I intended Leveling Up in Rationality to communicate this:
But some people seem to have read it and heard this instead:
This failure (on my part) fits into a larger pattern of the Singularity Institute seeming too arrogant and (perhaps) being too arrogant. As one friend recently told me:
So, I have a few questions: