You know that little chime on Facebook that bleats out when you're chatting with someone? Here, it sounds like this:
Well, that's not an off-the-shelf sound effect. It is the Facebook ping, and it was very well considered.
We know this because that ping has a fan, and that fan asked on Quora, "How much research has gone into developing the Facebook ping sound? The sound is so pleasant sometimes that it makes me wonder how much effort has been put into its development."
A flattered former Facebooker named Everett Katigbak, who "designed most of the audio currently in the product," chimed in with a most comprehensive answer. Read more...More about Facebook, Music, Quora, Social Media, and Conversations