That’s right, half a billion downloads of Firefox have been served since 1.0 on November 9th 2004. Over 500 million downloads of one of the worlds favourite open-source browser have been recorded.
For a bigger breakdown of the stats, Percy Cabello over at MozillaLinks has the full history over here.
And to celebrate 500 million helping Mozilla, Mozilla thinks those 500 million can help others. 
