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I did the block each person, then 'off' thing and people were *STILL* following my feeds.They might have been "following" your feeds, but I don't think they can actually see anything unless you specifically give them permission. I don't think Buzz is quite as bad from a privacy standpoint as some people are saying, although the way in which Google have distributed the relevant options in about 20 different places, and not really explained how it all works, does make it hard to be sure.