Apple started counting down 50 billion app downloads and along with it charts for the most downloaded apps of all time were published. It's interesting to see GarageBand so high up the iPad chart. While GarageBand is the 7th most downloaded paid iPad app, iMovie and iPhoto are stuck at 22nd and 23rd places. Clearly, everyone loves making music! Checkout more interesting app chart facts over at MacStories.
Update: The above information is based on the US App Store charts. Turns out, in the Aussie App Store GarageBand is even more popular, it's #3 Paid iPad app of all time.