I heard this weekend that the world population will reach 7 billion people by the end of the week, so when I stumbled across this "In 60 Seconds" infographic while browsing the web I stopped and really thought about how communication has grown exponentially in the last 150 years.
In 1860-1861, the fastest communication method available in the U.S. was the Pony Express . The express route from Missouri to California took 9 days and 23 hours to traverse. Alexander Graham Bell invented the telephone in 1876, but the first transcontinental phone call wasn't possible till 1915. The first email was sent by Ray Tomlinson  in 1971 between two machines sitting only 10 feet apart, but didn't widely become available to the public until the late 80's to mid 90's. (Trivia fact: It was Tomlinson who decided to use the @ symbol within email addresses.)
Now we have billions of people sending approximately 168 million emails, 370, 000 Skype calls, 98 thousand tweets, and more - all in 60 seconds .
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