The Conversation Element is an easy way to allow your website visitors to communicate with each other and post comments directly to your website. Conversation Element is also compatible with Google Friend Connect. The Conversation Element is available in three basic sizes: tall (250x440), wide (600x410), and full page (600x700). The tall sized is recommended for placement in sidebars, the wide size is recommended for placement near footer or header areas, and the full page size is used for specific Conversation Element individual pages.
To spark up good conversations, the Google Conversation Element topics can be chosen from over 15 pre-selected categories, or customized to your own preference of topic. Some pre-configured topics are: astronomy, cooking, fashion, music, travel, etc...
After you have chosen a topics, Conversation Element will allow you to choose whether or not you want to keep your conversations specific to your site, or share them across the web.
One notable feature about Conversation Element is the built-in instant translation capability. Adding the Conversation Element to your website will allow users of all different languages to communicate on your website.
To check out the rest of Google's Web Elements, be sure to read part 2.