To mark Talk Like a Pirate Day, Bob Rudis uses R to animate a map of the cumulative real-world pirate attacks since 1978:
Looks like the Carribean and the West Indes, traditional pirate haunts, are still active. But the real hot-spot in modern times is Africa. Find the R code behind the animation at the blog post linked below.
rud.is: Animated IRL Pirate Attacks In R