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Facebook started as a social network for college students. But now that anyone can join, here's a status update: Many of its newest members are senior citizens.

At 101 years old, Florence Detlor is one of the oldest people on Facebook. She says she's always been someone who wants to keep up on the cutting edge of technology.

"Because that's what makes one time different from another," she says.

[...]

"For the first time, half of adults 65 and older are online," says Mary Madden, a researcher at the Pew Center's Internet and American Life Project.

That's up from just 14 percent in 2000, when the project started. She says the number of seniors online has really taken off in the past year, and the biggest driver is happening offline, in outreach. That outreach includes classes like the one librarian Josh Soule teaches.

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