Google DeepMind CEO Demis Hassabis said at Google's developer conference last week that humanity is standing in the "foothills of the singularity" — and that society has only a few years left to prepare for AGI.Why it matters: AI leaders have warned for years about the potential arrival of artificial general intelligence. What's changing now is the urgency with which some of them are talking about it.Driving the news: Speaking with Axios after his appearance at Google I/O, Hassabis said his pred...