Apple CEO Steve Jobs and the rest of Apple’s executive team learned something new today — the iPad is not mobile.

[ad#Google Adsense 300×250 in story]The comments came from Facebook founder Mark Zuckerberg responding to a question about why his company doesn’t have an app for Apple’s iPad. “iPad’s not mobile, next question. It’s a computer, that’s a different thing.

While his answer certainly seems short and a bit rude, Zuckerberg later added, “I didn’t mean to be rude to Apple.”

He explained that, like most companies, Facebook’s engineers have to choose which mobile platforms to tackle. Makes sense to me, although not having an iPad app seems like a big miss for Facebook.