Seeing Facebook grow
Last week, we learned that fastest-growing group of new Facebook users is now people over 35, which means that the base of users has changed dramatically from when I began using the service in college.
But as the graphic above shows, its growth worldwide has been fairly remarkable and consistent since it launched in 2003.
One other point to note: pay attention to the difference between the number of friends that people accept and the actual network they use and cultivate. One would expect it to be smaller, but the degree to how much may come as a surprise.