Most popular Internet Browser

Which one do you prefer? IE? Mozilla Firefox? Chrome? Safari or Opera?

Have you ever think about this question? What is the most popular Internet Browser? As far as i concern, I knew just a few internet browser and they are internet ex. But after searching on the internet, i found another internet browsers such as chrome (by google) and Opera. w3school listed the popularity of internet browser on the net every month.

If you look onto the shot screen, internet explorer used to be the most popular internet browser. However Recently, since Mozilla Firefox invented, now this internet browser is the most popular when 46.5% of the internet browser using it in last month followed by IE7 which is 24.9%.

Thanks for the info by w3schools.