New Delhi, May 20 -- Google has announced big changes to how we use its Search engine, bringing powerful new artificial intelligence (AI) tools to make searching faster, smarter and more useful. The updates were revealed at the company's annual I/O event, with AI taking centre stage in what Google calls the future of Search.

Last year, Google launched "AI Overviews", smart summaries that appear at the top of some search results. Since then, the company says more people have been using Google to ask longer and more complex questions, including ones with pictures and voice. AI Overviews have reportedly increased usage by over 10 per cent in countries like the U.S. and India for searches that include these results.

Now, Google is rolling o...