Google announced they have updated their OneBox results, also known as quick answer results, to match the mobile and tablet designs they released back in August. The new results are cleaner, take up more space, but also are more interactive.
For example, here is the stock quote for GOOG and the chart on the search results page is interactive:
All the OneBox result designs were updated today. They include definitions, currencies, flight information and more:
Other results include unit conversion, holidays, sunrise times, weather results, time conversions and much more.
Google says they are rolling this out to everyone using Google.com on their desktop over the next few weeks.