Even if you haven’t surpassed Sherlock Holmes’ ambitions, learning to pay attention to small details is not a trivial matter. This skill can come in handy in a variety of everyday situations! Can you spot a tea cup in this picture?

The latest brainteaser sweeping the web has left even the most eagle-eyed of puzzlers feeling perplexed. The graphic, created by Smartcard Store, features an ocean of locked padlocks and asks netizens to spot the one which is open.