It's really not that hard to use each word in its proper manner.
its
This user understands the
difference between its (of it) and it's (it is or it has).
’s
Thi's user know's that not every word that end's with
s need's an apostrophe and will remove misused apostrophe's from Wikipedia with extreme prejudice.
…
This user is addicted to ellipses and has been known to use them indiscriminately...