Zettabyte Overtakes Petabyte As Largest Unit Of Digital Measurement 07/04/2010 05:12 am ET | Updated May 25, 2011 Heidi Blake Telegraph The size of the "digital universe" will swell so rapidly this year that a new unit - the zettabyte - has been invented to measure it. Read more on Telegraph FOLLOW TECHNOLOGY facebook twitter Suggest a correction GET THE NEWSLETTER Enter your email address to get top stories and blog posts emailed to you each day. FOLLOW HUFFPOST HuffPost Technology HuffPost Technology HuffingtonPost Available on the App Store Android App on Google Play Get it at Blackberry App World HUFFPOST NEWSLETTERS Enter your email address to get top stories and blog posts emailed to you each day. Get top stories and blog posts emailed to me each day. Newsletters may offer personalized content or advertisements. Learn More.