In Pictures: Why the Internet needs IPv6

Explosive growth of Internet users, devices, apps creates demand for more IP addresses

How many Twitter users are there?

Since its launch in 2006, Twitter has altered the way millions of Internet users communicate with each other by introducing 140-character microblogs called tweets. Twitter has become a favored channel for celebrities to communicate directly with their followers, sports fans to gloat over the latest scores, and disaffected citizens to coordinate protests. When Beyonce announced her pregnancy at the Video Music Awards in 2011, she prompted a record-breaking 8,868 tweets per second! The number of online adults who use Twitter on a typical day has quadrupled over the past 18 months, from 2% to 8%, according to a Pew Study released in May 2012.

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