Everyone recognizes Amazon's famous logo. But did you know there are three different symbolic messages tucked within it?
We picked 21 tech company logos that have hidden, subtle, or otherwise clever messages inside their famous brand marques. They include a Facebook logo that secretly indicates another company it hoped to kill, a message you won't get unless you understand Morse, and an actual cryptogram.
LG's logo has three meanings: It contains the letters LG, a smiley face, and it looks like the symbol for an on/off button. And its elements can be rearranged into a Pac Man logo ...
A simple but brilliant use of white space: The old Flight Finder logo is two F's that describe a plane between them.

The squares in data analytics company Eighty20's logo represent binary code: The top line, 1010000, represents 80. The bottom line, 0010100, represents 20.

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