Every day 140 million new tweets are generated. That’s 1 billion every 8 days. The chart below shows what people are doing with their tweets — the 6 reasons you need to be plugged in. Directly below the chart is a brief video you might find interesting while you’re thinking about Twitter. Twitter just turned five years old. Who would have ever thought that this 140-character novelty would live to see its first birthday, nevermind fifth. In the cyber world that is practically old age.