uniques ways to use minor illusion

[Night Eternal]

the title basically. Been wondering how usefull is this spell because a lot of people suggest it. Can you give some example of situations where this would be useful

[R.Shackleford]

http://www.giantitp.com/forums/showthread.php?482838-Minor-Illusion

[Lombra]

Please we don't need another thread on this topic... it hurts the communuty