Mercedes Benz has teamed with Nvidia to develop a self-driving car that speaks its driver / passenger(s) like a digital personal assistant.
I read an ad for WolframAlpha that said WolframAlpha sometime uses or can be tuned to use Siri to take questions and deliver answers. I now have WolframAlpha for PC. Can it be tuned to use Siri or any other digital voice to take questions and deliver answers?