1994-1998
1998-2001
2001-2005, 2005-2008 (secondary)
2002-2005 (secondary), 2005-2008
In 2005, the letters turned green, along with the frog and the square being removed.
2008-present
In late 2008, the color of the logo was toned down, and most of the letters are lower-case.
Other
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