Google Base

Looks interesting:

http://base.google.com/base/about.html

What is Google Base?

Google Base is a place where you can easily submit all types of online and offline content that we’ll host and make searchable online. You can describe any item you post with attributes, which will help people find it when they search Google Base. In fact, based on the relevance of your items, they may also be included in the main Google search index and other Google products like Froogle, Google Base and Google Local.

Quick Facts about Google Base

* Cost: Free
* Item types accepted: All types of online and offline information and images
* Languages: Google Base is currently available only in English.
* Reach: Items you submit to Google Base can be found on Google Base and, depending on their relevance, may also appear on Google properties like Google, Froogle and Google Local.
* How it’s different: Google Base enables you to add attributes that better describe your content so that users can easily find it. The more popular specific attributes become, the more often we’ll suggest them when others post the same items. Similarly, items that become more popular will show up as suggested item types in the Choose an existing item type drop down menu.