+Ignoring, blocking and deleting contacts
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+Once you have become friends, if you find the person constantly sends you spam or worthless information, you can "Ignore" them - without breaking off the friendship or even alerting them to the fact that you aren't interested in anything they are saying.
+In many ways they are like a "follower" - but they don't know this.
+They think they are a friend.
+
+You can also "block" a person.
+This completely blocks communications with that person.
+They may still be able to see your public posts, as can anybody in the world, but they cannot communicate with you directly.
+
+You can also delete a friend no matter what the friendship status - which completely removes everything relating to that person from your website.