THIS is the brainteaser that challenges you to become nosy and spot the time traveller at the 1950s park.
Everyone can see the group of people chatting, but only those with razor-sharp vision and spot the person who does not belong there in seven seconds.
This puzzle will remind you of the last time you were hanging out at a park with your pals, and you spotted someone looking suspiciously futuristic.
Upon closer inspection, you see that the person isn’t a person, but a super high-tech AI hologram projecting in from who knows when.
The longer you look at it, the easier it becomes to notice the constant glitching and bizarre pauses in conversation.
You thought maybe it was just them not enjoying the conversation, but then you remember you are an absolute delight to be around, so …