THE REALLY BIG NUMBERS REPORT

Here’s a big number: the “zettabyte.” One zettabyte equals one trillion gigabytes. In ten years, five zettabytes of data will reside “in the cloud,” according to the research firm IDC. That’s a hip way of saying it will be in storage on the Internet.

By the way, five zettabytes equals one “googol,” which is 10 to the 100th power. That’s a one followed by 100 zeroes. Yes, that’s how Google got its name.

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