Google Now in iPhone,to challenge Apples Siri

Personal assistant technology such as Apples Siri,Google Now and products created by various start-up companies aspire to play what could become a critical role on smartphones by helping users with daily chores such as looking up information on the Web,handling calendar appointments and managing travel plans.

Some analysts believe Apples Siri represents a growing threat to Google. The information that Siri provides on common topics such as sports scores reduces the need to visit Googles search engine,the analysts say.