RichSnippets & Structured Data This is an awesome tool to test if authorship is working properly as well as your richsnippets and hcards. WebmasterCentral Blog If you haven't already, subscribe to Google's WebmasterCentral blog.
Mobile Apps Get RichSnippets Google is now sending more detailed reconsideration responses to webmasters who’ve requested re-inclusion in the search index, according to the Google WebmasterCentral Blog.
Hot off the heels of their richsnippets announcement for schema.org, starting today, Google will allow webmasters to use markup for content authors. Google's WebmasterCentral help has a simplified how-to.
Richsnippets for shopping sites - Google WebmasterCentral Blog Make your websites run faster, automatically -- try mod_pagespeed for Apache - Google WebmasterCentral Blog Best practices for running multiple sites - Google WebmasterCentral Blog
If you have a site with recipes and want to be sure RichSnippets show up in search results for your page, check out Google's documentation on RichSnippets in the WebmasterCentral. But, it case you also missed it, RichSnippets (aka microformats...
Google WebmasterCentral announced support for microdata use in richsnippets. Or while waiting for panels at SXSW - if you can get a signal. If you're not at SXSW, you might be watching conference basketball tournaments.
Be sure that your richsnippets are indeed included in the HTML and not executed by JavaScript or Flash in order to be indexed. The Google WebmasterCentral has announced support for Facebook Share and Yahoo!