A yottabyte is one septillion bytes. To save all those bytes you need a data centre as big as the states of Delaware and Rhode Island. It doesn't seem like much, until they tell you the price tag: $US100 trillion.
How much is $US100 trillion? Too much to imagine but ,to give you some sense of scale, the gross domestic product for the United States was $US14 trillion in 2008. The word GDP: $US61 trillion. And yet, one day we will look back at this figures and shrug, as we order a 4-yottabyte memory card to save a few hours of our life with our 5-senses brain impulse recording device. For $US19.99. [Backblaze]