http://www.cnbc.com/2015/05/01/13-famous-logos-that-require-a-double-take.html
http://www.boredpanda.com/famous-brand-logos-hidden-meaning/
http://www.adweek.com/creativity/40-brand-logos-hidden-messages-starting-most-famous-one-160798/
http://www.providr.com/famous-logos-that-have-a-hidden-message
http://www.thesneeze.com/mt-archives/cat_secrets_of_the_fedex_logo.php
http://list25.com/25-famous-logos-with-hidden-images/5/
https://en.wikipedia.org/wiki/Wendy%27s
http://abcnews.go.com/blogs/business/2013/07/wendys-says-secret-message-in-logo-unintentional/
https://en.wikipedia.org/wiki/Toblerone
http://www.businessinsider.com/inside-pinterest-an-overnight-success-four-years-in-the-making-2012-4
https://en.wikipedia.org/wiki/Pinterest
http://imjustcreative.com/the-meaning-behind-the-sony-vaio-logo/2011/08/11
https://en.wikipedia.org/wiki/Vaio
http://www.vmastoryboard.com/case-stories/2648/turner_duckworth_amazon_smile_logo/
https://www.logaster.com/blog/amazon-logo/
https://en.wikipedia.org/wiki/Hershey%27s_Kisses
http://logos.wikia.com/wiki/Tostitos
http://brandingsource.blogspot.ca/2013/01/new-logo-tostitos.html
https://www.famouslogos.us/baskin-robbins-logo/
http://www.allday.com/how-many-flavors-has-baskin-robbins-actually-had-2180788250.html
https://en.wikipedia.org/wiki/Baskin-Robbins
http://www.toyota-global.com/showroom/emblem/passion/
https://en.wikipedia.org/wiki/Toyota