Are So Addictive

Visual puzzles like this are popular because they create a simple challenge with an immediate reward.

You see a picture.

You receive one instruction:

Find the odd one out.

And suddenly your brain switches into detective mode.

You begin scanning the image from left to right.

Maybe it’s No. 1.

No… perhaps No. 2.

Wait — No. 3 looks slightly different.

Then you look at No. 4.

You compare No. 5 with everyone else.

You check No. 6.

And finally you reach No. 7.

Then you start all