Siri, watch out: personalized search service Google Now is coming to iOSThe feature is available as an update to the iOS Google Search app. It leverages user information in Google mobile apps and desktop services and its knowledge graph, aims to give users relevant answers to questions before they've even asked them.
http://feedproxy.google.com/~r/TheAppleBlog/~3/lFaDW7d6XUA/story01.htm
