Can't be arsed to write anything here. See boxes for "humour".

its & it'sThis user understands the difference between its and it's. So should you.
A, B, and
A and B
This user prefers to use the serial comma only when its omission can be confusing.
’sThi'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.
to¦goThis user chooses to sometimes use split infinitives.