India, July 23 -- A fresh optical illusion has taken over social media, and this time, it is giving people a real run for their money. At first glance, the viral image looks like a simple wall full of the word "moon" repeated over and over. Nothing seems off - until you are told there is a hidden twist. Somewhere in the image, one word does not belong. And here is a hint - it is not a typo. It is a real word, just not "moon."

Most users who have come across the illusion end up scanning line after line with narrowed eyes, trying to catch the difference. A few find it within seconds. Others keep staring until they give up. It is one of those illusions that play tricks on your brain, especially if you are trying too hard.

If you have been ...