Ex-Google search honcho Amit Singhal joins Uber

Former Google search chief Amit Singhal is returning to the technology frontline as senior vice president of engineering at Uber.
Singhal spent 15 years at Google and was its senior vice president for search before announcing his own retirement to focus on philanthropic work last February.
But now he has been lured back by Uber, which he dubbed a “a geek’s candy store”, and a role that he described as one of the “hardest – and therefore most fun – computer sci