Live long enough in the world of social media and you are bound to come across a moment that makes you want to facepalm and reach out into your screen to strangle that hate-spewing troll on the other end.
The next time something like that happens, take a deep breath and think about JK Rowling. The author and businesswoman knows exactly how to use wit and humour to put hateful trolls in their place.
Rowling’s Twitter game is strong, to say the least. Here’s how she does it: