Today at a special mobile event at Facebook headquarters in Palo Alto, Facebook CEO Mark Zuckerberg is launching a suite of upgrades to the company’s mobile applications.

The iPhone application, which Zuckerberg says is on the “vast majority of iPhones” is getting the recently-revamped Groups feature. The iPhone app is also

Today at Facebook’s event in Palo Alto, CA the company wanted to talk about mobile. First, CEO Mark Zuckerberg unveiled a few updates to both Facebook’s Android and iPhone apps. But the real key to all of this is the platform, he said.

Zuckerberg invited the head