T-Pain and Jack from Jack in the Box challenge Fortnite players live on Twitch tonight at 6pm PT. Join custom "Jack Zone Wars" island using code 7887-7645-4635 for unique power-ups and fierce battles.

The "Bird Box Challenge" invites people to try the same thing -- which, as you can imagine, is pretty dangerous.

Staring at row after row of the same word can quickly turn into visual static. Your eyes stop reading each box individually and instead recognize the overall pattern. That is exactly how this puzzle ...