Welcome to the Zettabyte Age

Humans created more than a zettabyte of digital information by the end of 2010.

A what?

A zettabyte.  That’s 2 to the 70th power bytes, which is approximately 10 to the 21st power.  1,000,000,000,000,000,000,000 bytes.  That’s a one followed by 21 zeroes.

I had trouble with that, too.  Try this:
1,000 gigabytes = 1 terabyte
1,000 terabytes = 1 petabyte
1 million terabytes = 1 exabyte
1 billion terabytes = 1 zettabyte

Still having trouble?  Maybe you’re a visual person.  Ok, try this: if you put a zettabyte of data on DVDs, the DVD stack would reach from the Earth to the moon and back.

I suppose it’s time to toss out my the 20MB hard drive from my first PC.

Nah… I’ll just put it in the box with my Atari Pong console.

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