Blogger Buzz: Spam Barriers:
Earlier today we pushed out a change that will prompt some users to solve a CAPTCHA if our spam classifier identifies the blog as spammy.Update 5.45pm: 5 comments from 5 new visitors, all of whom complain that they were locked out of their blogs by capcha for most of the day... None of their blogs, FYI, seem to me to be sploggy....
We plan to quickly iterate on this approach a bit (as well as extend it to posts created via the API). So far, we have observed a slight decrease in the amount spam being created.
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