The shipping company's logo is probably one of the best-known in the world of "hidden image" logos. For those who are unaware, take a look between the "E" and the "X," where the negative space forms an arrow.
The logo for tortilla chips and dips manufacturer Tostitos, owned by PepsiCo, is a prime example of "once you've seen it, you can't un-see it." Initially, the logo appears to be the Tostitos name in front of a vibrantly colored background.
Hope for African Children Initiative (HACI) Source: Hope For African Children Supporting African communities is the pillar of HACI's mission and it's clearly reflected in the organization's vibrant logo.
Toblerone Look! There's a bear in the mountain! There's also something hidden in the candy's name: Toblerone is a portmanteau of its creator’s name, Theodor Tobler, and “torrone,” an Italian word for a type of nougat.