"You are welcomed" or "you are welcome"?

From:
http://answers.yahoo.com/question/index?qid=20060628170518AAJhSop

Is it correct to say "you are welcomed" or "you are welcome"?
I have said "you are welcomed" my whole life, and decided to switch to "you are welcome" a week ago. But something is bothering me, so I come to you for advice.

Serious answers only.
Answer only if you are at least 90% certain.
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The two phrases have different meanings.

The proper phrase, "You are welcome" says that the person is welcome to whatever you have given them.

The other phrase, "You are welcomed", which is not generally used, implies that the person is being welcomed to wherever they are, as in "we are welcoming you into this place". Notice that the sentence does not say who is doing the welcoming, only who is receiving the welcome. It's an awkward phrase and should not be used, even when you are truly welcoming someone to a particular place.

So, when someone thanks you, just say "you're welcome" and if you want to welcome them to some place, then say "welcome to my ..."