IP lets users roll over the Apple-esque magniflying glass to see the page a keyword search returned. It's a quick and easy way to judget a site's crap design find more germane information.
To use Instant Previews on your mobile device, do a search on www.google.com and tap on the magnifying glass next to any search result. A side-by-side comparison view of the webpage previews for the first page of search results will appear. When you find a result you like, tap on the preview to go straight to the website.