I was out on a run when I heard this intriguing sound, a chorus of high-pitched chirping noises. Curious to find out what was making this sound, I strayed off the trail and followed the chirps through ...

How is this for a bit of nostalgia? It is now 20 years since the noise behind the Crazy Frog was invented. Yes. Twenty. Years. It was recorded by student Daniel Malmedahl in 1997 who was trying to ...