Google Search has Google apps
Along with the search capabilities of the world's most popular search engine, you also get access to Google apps.
Find pizza immediately
Whether you type "pizza" in the search field or speak it into Voice Search, your results come up extremely quickly.
Find locations, too
If you ask for a location, Google Search displays a map, and you can get directions and more info from there.
Shopping with goggles on
Google Goggles lets you photograph bar codes and other items and returns results right away.
When I asked, "Who is Michael Jordan?" Google Search's AI voice gave me a short bio along with the info; Siri just gave me a page of information.