Does this mean I have to google it?
The em dash is a forgotten piece of punctuation. Even grammar sites are now mistakenly publishing en dashes in their place.
Don't want to be ignorant. 
(I like this little guy he looks like Roy Orbison)
Yes. Why should I do all your work?Does this mean I have to google it?
But when do you use each?
Ouch!! Just cause I don't like Elvis!!
Elvis-haters may do their own punctuation homework.Ouch!! Just cause I don't like Elvis!!
You use en dashes in place of em dashes all the time. Quite infuriating. My little signs never did help.
LOL! It's cause I'm used to typing in word and -- converts to em, while " - " translates to en. I'm fundamentally a lazy typer.You use en dashes in place of em dashes all the time. Quite infuriating. My little signs never did help.
dislike and hate are different. It's not like I puke if I hear an Elvis song, I would rather just change the radio station or hit the skip button. Some of the early stuff is okay!Elvis-haters can do their own punctuation research.
Finally the answer to the sign question. Yeah, baby!!!You use en dashes in place of em dashes all the time. Quite infuriating. My little signs never did help.
