How come so many people are unable to spell simple words?

[Jumpin]

Bandorr said:
That's not spelling. That's grammar.
Than and Then are both spelled correctly. They are used incorrectly. The same with your and you're.

Infact the same with everything you listed. That isn't spelling, that is proper word usage.

 

It is most certainly a spelling mistake if you're spelling the word "where" as "were."

Also, *In fact, it's

See, I can be pedantic and pretend to have Asperger's too!