florence and the machine logo font
Clarendon Bold is the font used in the Wells Fargo logo.
The WikiAnswers logo font is called ElDorado, bold.
The font that is used in the NCAA logo is called Aquarius No. 8. This font is one that has to be purchased, and does not come pre-installed as a font. This font closely resembles that font that is used on the Twitter website.
Segoe font
Linux Libertine Font.
It's a condensed version of a font called thunderbird I believe, although I'm having difficulty finding a usable version online
Garamond is the font used for the main logo :)
arial font
It is most likely a custom font.
"Younger Than Me" font
benguiat or benguian font :)