Apple and Google face off as Siri and Google Now take centre stage.
"Google Now" news, interviews, and features
News about Google Now
Google will buy low-power machine learning chips and software from Movidius, and contribute to the company's research.
The Chrome app launcher overhaul puts a greater emphasis on search and contextual information. It's in beta now if you want to try it.
Features about Google Now
Even in beta, Microsoft's Cortana digital assistant has an impressive amount to say for itself.