Marissa Mayer, vice president of search products and experience, led a parade of the company's product managers on stage at Searchology 2009 to demonstrate the new features, known as Google Search Options, Google Squared, and Rich Snippets. Search Options will be rolling out gradually on Tuesday, giving searchers ways to filter their results based on factors like timeliness, result type such as image or videos, or a desire to see search results in visual form.

The announcements "center ar...