![Hundreds threaten to quit Twitter as shoe and nail polish optical illusion sparks debate | Daily Mail Online Hundreds threaten to quit Twitter as shoe and nail polish optical illusion sparks debate | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2015/07/09/23/2A6284E500000578-3155497-image-m-4_1436480857390.jpg)
Hundreds threaten to quit Twitter as shoe and nail polish optical illusion sparks debate | Daily Mail Online
![Hundreds threaten to quit Twitter as shoe and nail polish optical illusion sparks debate | Daily Mail Online Hundreds threaten to quit Twitter as shoe and nail polish optical illusion sparks debate | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2015/07/10/11/2A6741CC00000578-0-image-a-8_1436524316093.jpg)
Hundreds threaten to quit Twitter as shoe and nail polish optical illusion sparks debate | Daily Mail Online
![Hundreds threaten to quit Twitter as shoe and nail polish optical illusion sparks debate | Daily Mail Online Hundreds threaten to quit Twitter as shoe and nail polish optical illusion sparks debate | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2015/07/09/23/2A62850A00000578-3155497-image-a-13_1436481946141.jpg)
Hundreds threaten to quit Twitter as shoe and nail polish optical illusion sparks debate | Daily Mail Online
After dress, Twitterati are now debating on the nail polish and shoe colour! | Business Insider India
![Hundreds threaten to quit Twitter as shoe and nail polish optical illusion sparks debate | Daily Mail Online Hundreds threaten to quit Twitter as shoe and nail polish optical illusion sparks debate | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2015/07/09/23/2A63348100000578-3155497-image-m-23_1436482062977.jpg)