the law of diminishing returns

I'm at the Apple Store Genius Bar, where a monitor is displaying various advertising and instructional information while those of us with sad Macs wait, sadly.

One ad for a new computer boasts that the computer has enough disk space to hold "400,000 copies of the complete works of William Shakespeare."

Isn't it funny that 400,000 digital copies of the complete works of William Shakespeare really aren't any more valuable than, well ... one?