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60 percent of Apple's sales are from products that did not exist three years ago

This chart speaks for itself. Note the bottom two bands and the proportion of the total that they make up.

Also note the seasonality with the holiday spikes. This last quarter is not a holiday quarter. Now imagine what next quarter will look like on this chart.

As a final note, think back to 2001 before the iPod. The the Blue, Green and Yellow bands were all that Apple had.