A bunch of good metrics on the decade that was from Oliver Chiang. Here are a few:
–Number of e-mails sent per day in 2000: 12 billion
–Number of e-mails sent per day in 2009: 247 billion
–Revenues from mobile data services in the first half of 2000: $105 million
–Revenues from mobile data services in the first half of 2009: $19.5 billion
–Number of text messages sent in the U.S. per day in June 2000: 400,000
–Number of text messages sent in the U.S. per day in June 2009: 4.5 billion
–Number of pages indexed by Google in 2000: 1 billion
–Number of pages indexed by Google in 2008: 1 trillion
–Amount of hard-disk space $300 could buy in 2000: 20 to 30 gigabytes
–Amount of hard-disk space $300 could buy in 2009: 2,000 gigabytes (2 terabytes)