True, so called expert systems are nothing new, but the much improved ability to parse natural language and semantics is newish. It means the human-machine inte

True, so called expert systems are nothing new, but the much improved ability to parse natural language and semantics is newish. It means the human-machine interface is easier to use and combined with portable access via tablets this might very well be the tipping point. Similar to how the iPad was adopted compared to decades of tablets before that never saw a wide-spread adoption, mainly because of the poor human-machine interface.