This exploit lets your name to appear as ? when moused over, but your name will be shown normally when targeted. Could be useful when speed hacking to make your name harder to get.
1. Complete Lockdown!
2. Type /run SetCurrentTitle(15)
That's it. Pretty simple, not sure if this is clasified as useless, but it's pretty unique!
Disclaimer: This will only work on WoWBeeZ x500, because other servers probably wont give you the scout title for completing a level one quest.