Tom Scott

⚫ How The Black Point Message Crashes Android Apps (2018x18)

Air date: May 04, 2018

"_If you touch the????black point then your whatsapp will hang_", says the message that's being sent around, and it's right. It's a text rendering bug, the same as many others -- which isn't interesting. But the characters it's using, Unicode RTL and LTR marks, are worth knowing about.