Last week, Lenovo, a Chinese multinational corporation that sells personal computers and other electronic devices, hired actor-capitalist Ashton Kutcher as a "product engineer." Not a celebrity spokesperson, venture capitalist, or even the more laissez-faire "creative director" (à la Alicia Keys and BlackBerry, but a product engineer. Today, Fortune reports that Justin Bieber is the "lead investor" in a "new teen-focused social network" called Shots of Me.