All the logos you see around you? They're eventually going to change some day. It might be because they get outdated or it might be because of a new CEO's quirky taste or it might because the company has some vain hope to rebrand themselves as more modern or more friendly or more whatever it is to get you to buy more of their products. Just take a look at some logos of famous brands. Even those that still look the same have added some embossing or shading.
My favorite company logos are the ones that change the least. [Daily Infographic]