Hidden signs in Logotypes

Have you ever seen a company logo and took a second to study it?
If not check out this site and you will never see these brand logo the same way again.
http://www.graphicdesignblog.org/hidden-logos-in-graphic-designing/

You would say you have seen it thousand times but just to make you notice an arrow formed between the letters “E” and “X” conveying speed, direction and reliability of this amazing courier service