CAPTCHA is an internet slogan used to prevent spam. CAPTCHA is when you see the dialog that opens up and asks you to enter the letters or numbers shown before entering a comment, or registering with a site. Now all comments will require you answer a CAPTCHA puzzle in order to comment to prevent spam posts. Blogger has built in spam defense for comments, so none of the automatic spam comments show up on the blog, but they do show up in my email, and it's very hard to distinguish anonymous posts from spammers and honest individuals. So for this reason, though it may be annoying, I'm requiring that you solve a CAPTCHA puzzle to comment.
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