I just found out about Google's Music Search (example). Don't expect anything to find illegal MP3s (although Google can be used for this) but this is a neat tool when researching about a band: their discography, album names and release dates, reviews, even lyrics. I didn't know about this.
Facebook Prettier Profile URL
One of the lesser advertised and known feature of Facebook is that you can link to a prettier profile URL than the default and rather lame profile.php?id=123456789. For instance, my profile URL is either: Ozh (full profile, sucky URL) or Ozh (short profile public page, slightly less sucky URL). From an SEO perspective it does not change a lot since…