![](https://pinterest.com/pin/create/button/?url=https://cctubes.com/video/%e2%9a%ab-how-the-black-point-message-crashes-android-apps/&media=https://cctubes.com/wp-content/uploads/2018/05/how-the-black-point-message-cra.jpg&description=Captions provided by CCTubes - Captioning the Internet! "_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.
Thanks to everyone who suggested this subject!
The Unicode Bidirectional Algorithm: http://unicode.org/reports/tr9/
I'm at http://tomscott.com
on Twitter at http://twitter.com/tomscott
on Facebook at http://facebook.com/tomscott
and on Snapchat and Instagram as tomscottgo)
Captions provided by CCTubes – Captioning the Internet! “_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.
Thanks to everyone who suggested this subject!
The Unicode Bidirectional Algorithm: http://unicode.org/reports/tr9/
I’m at http://tomscott.com
on Twitter at http://twitter.com/tomscott
on Facebook at http://facebook.com/tomscott
and on Snapchat and Instagram as tomscottgo
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