An interesting article from Wine Life Today: Every wine tasting note site should be freebasing.
Freebase allows sites like these tasting note sites to be built and while they individually create communities for whatever purpose they are all adding to Borg collective known as Freebase.
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It would be far easier for other sites that have note functionality to migrate their DB to Freebase, effectively merging all note DBs, and write database calls to the Freebase API rather than their own MySQL “Silo” of information. You think CellarTracker is cool? Imagine every note ever entered into a site on the Internet, regardless of the site, being available to Snooth or WineQ or any other site that wants it!!
On a related note, did you know there’s already a wine browser built on Freebase’s API? Conaisseur, an artificial sommelier allows you to narrow down your wine selection by wine region, grape variety, vintage, or any of about a dozen other criteria. Here’s a screenshot:

Freebase offers all kinds of opportunities for communities of interest to gather around a topic and fill in data about it. If you’re a wine lover, why not take the time to add some wine topics or refine some properties on those that already exist?
