Ah, a bit ranting now and then makes me feel better :o)

What is it with those "Should (or something like that) of ..." sentences? As far as I remember it should be "should have". That really, really annoys me. Has it officially been changed to "of" or what? Because I read that way to often. I understand if people make such mistakes when English is a foreign language for them, but for the people who wrote that "of" it's their native language! WTF? o_O Or could it be net speak?