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Hi, thanks for registering. I’ve set this up to allow registered members to post comments on stories, and other features to come. I’d like encourage people to use their real names when signing up– you can use an underscore between your first and last names, or some other variation. Also, I am testing OpenID.

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Carnegie-Mellon is trying to digitize old books, but computers can’t read this. Can you?
1 + 18 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.