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"If you're looking for flight times, currency conversions, word definitions and more, you'll notice that Google has dressed up the responses in new, Now card type clothing. On top of being prettier, the look is designed to make the data easier to parse and also adds an interactive element -- letting you change a distance or unit when doing metric conversions, for example. Currently the refresh is limited to smartphone and tablet searches, but Google has promised to roll it out soon to desktop searches and international users. The change is part of an ever-evolving list of tweaks and updates to Mountain View's venerable search engine -- check the source for more info."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2012/08/10/google-mobile-search-quick-answer/?ncid=rss_semi>