He also announced that Google is extending its Knowledge Graph database of more than 500 million "real world" people, places and things to English-speaking users outside of the U.S., where it was .

"So starting today, you'll see Knowledge Graph results across every English-speaking country in the world. If you're in Australia and search for 'chiefs', you'll get the rugby team -- its players, results and history," he wrote.

Using the Knowledge Graph, Google has also started creating lists of related items and displaying them across the top of the search results page, according to Singhal.

The IDG News Service