6 / 14

Apple Introduces iPhone 5

SAN FRANCISCO, CA - SEPTEMBER 12: Dave Grohl of the Foo Fighters performs during an Apple special event at the Yerba Buena Center for the Arts on September 12, 2012 in San Francisco, California. Apple announced the iPhone 5, the latest version of the popular smart phone. (Photo by Justin Sullivan/Getty Images)

Tim Cook shows the Foo Fighters how to use an iPhone

While it's likely not the first time that Dave Grohl and the other members of the Foo Fighters have seen an iPhone, it looks like Tim Cook felt the need to show them the ropes at the Sept. 12 announcement of the new iPhone 5.