"Every once in a while, a revolutionary product comes along that changes everything."

These prophetic words were how Apple's late CEO Steve Jobs began his keynote at Macworld 2007. It was there, nearly six years ago, that Jobs announced the very first iPhone.

While you're waiting for the iPhone 5 announcement, which will happen at 1pm EST (and will be covered live on Mashable,) watch the very first keynote here, and wax nostalgic on the announcement that changed the smartphone landscape forever.

If you don't have time to watch the hour long keynote, check out some key moments in the gallery below.

Original iPhone Launch, 2007

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