Facebook

2004–2005
In 2004, Facebook launched as [thefacebook]. This logo was short-lived.

2005-2015
In 2005, [thefacebook] was renamed to Facebook. This logo is still used on the loading page.

2015-present
On July 1st, 2015, Facebook unveils a new logo and the double-story "a" was changed to a single-story "ɑ".
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