Snooth is a search engine and social network for wine lovers. It offers everything from wine reviews and rankings to vineyard and varietal information.
At Snooth you can search for wines by price, location, vintage, and more. You can build a personal cellar of wines you've enjoyed or would like to sample. It will also recommend wines based on your preferences and the recommendations of millions of other Snooth users. There is even an iPhone friendly site available. Just access it via Safari over your device.
Here is a video demo:
Found at Lifehacker