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Should ‘Hi’, ‘thanks’ and taglines and salutations be removed from posts?
What is the policy on signatures and links in answers for Stack Overflow questions?

I would like to add a signature to all my answers?

I would consider this fair use when I spend time answering questions. The signature would of course contain a link and obviously, yes, it is for improving the page rank.

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marked as duplicate by Ladybug Killer, Ether, mmyers, Tyler Carter, Robert Cartaino Feb 6 '10 at 22:46

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

    
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Um, you do realize links in answers are nofollowed, right? – mmyers Feb 6 '10 at 22:43

Signatures are not allowed on Stack Overflow.

Put whatever information you want on your user page -- that's what it is there for! -- but cluttering up questions and answers with redundant information is not a valid use of the system.

see:

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You need the rep or why haven't you closed this as dupe? – Ladybug Killer Feb 6 '10 at 22:41

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