If the account and email you list match up with what's on the old site, you'll receive a password reset email, and all your data (comments, etc.) will be migrated within a couple days.
Copy/paste the following text into your website to embed.
<iframe width="640" height="360" src="http://www.youtube.com/embed/Sb-cdcnbdIc" frameborder="0" allowfullscreen></iframe>
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Wasting your time, but not very much.