What is a YottaByte?

A brief vocabulary lesson . . .

• A bit is the smallest unit of storage for information, the space a computer needs to store a “0″ or a “1″.
• A byte is about the size it takes to store a letter of the alphabet.
• A kilobyte is a unit of storage you would need for a HS term paper.
• A popular song would take up about 2 megabytes of storage.
• As of this writing the smallest iPod holds 1 gigabyte and the largest holds
  160 gigabytes in text, music and video.
• You could store about 200 DVDs on a 1 terabyte hard disk drive.
• Currently eBay has about 2 petabytes of data.
• It would take about 10 exabytes to store all the telephone calls
  in the U.S. this year.
• In 2010 there will be about 1 zettabyte of data that can be
  accessed by a computer.
• By the time today’s 5th grade students have graduated from college they
  will live in a yottabyte world.

Chart source – Wikipedia