Designing a logo can open a company up to a lot of praise or criticism. When Marissa Mayer unveiled Yahoo's latest logo, for example, the Internet exploded and said it was "boring." Tumblr pages ...

Foursquare's new logo is supposed to look like a pin point on a map and a super hero emblem, but a lot of people don't like it. Bonus: A restaurant, DirtyBird, has a logo that's getting tweeted a ...