Regarding Internet ETIQUETTE: Would you see if this is CORRECT?

I find 'lol' to be overused, so I prefer the 'ha' system. Now, is this proper USAGE??? 1. ha = Yea, Right! 2. haha = not funny, keep trying 3. hahaha = sarcasm 4. hahahaha = ??? (I've seen this used only once so this one's wide open to speculation) 5. hahahahaha = genuine... show more I find 'lol' to be overused, so I prefer the 'ha' system.
Now, is this proper USAGE???
1. ha = Yea, Right!
2. haha = not funny, keep trying
3. hahaha = sarcasm
4. hahahaha = ??? (I've seen this used only once so this one's wide open to speculation)
5. hahahahaha = genuine laughter
Please make any corrections you feel are necessary.
And FINALLY, are there upward limits of ha that become socially unacceptable?
18 answers 18