In May, Google launched a way to provide short answers to search queries, and "it's now available on iPhone, Palm WebOS or Android-powered device in English. If you like to engage in trivia matches with friends on topics as far ranging as, what continent is Turkey in?, Star Wars release date?, or Augustus' successor? Now you can settle that debate there and then by searching Google from your mobile; you can speak your question into Google Search on Android or Google Mobile App for iPhone, or you can visit google.com from your mobile browser to type your search.
If your friends challenge the answer provided in Google Search results, you can corroborate the information with a list of websites by clicking on "Show sources" link. Source list includes relevant text from each page so you can quickly verify whether Google interpreted context of the answer correctly. You can also click through to original website to get all the details," explains Google.