We'd already heard whispers that Apple had to yank Facebook Connect integration from its new Ping music network because the connection was being denied by Facebook, and now Kara Swisher at All Things D is confirming it -- and she's saying Facebook shut down access on purpose after Apple used the find-your-friends API without permission. Juicy! Here's the deal: Facebook's friend-finding API is generally open access, but anyone that wants to hit it an extreme number of times has to sign a deal agreeing to protect Facebook user data and limit network impact
