In Time's Person of the Year 2010 article on Mark Zuckerberg, one fact shouts out to me above all others: 1 in 4 Web pages in the United States is now viewed behind the walls of Facebook.

"The ideas come when I'm watching a film or reading an article about something and an iconiccharacter comes into mind, " Laura said of her inspiration.

And later asked to recall the cuties in the pictures, the students who wrote about their lovers remembered fewer details about the physical appearance of the attractive strangers.