SAN FRANCISCO (Reuters) - Flipboard, the high-profile tablet app-maker, has hired Hulu's former chief technology officer to be Chief Executive Mike McCue's No. 2. Eric Feng, currently an executive at Sand Hill Road venture capital firm Kleiner Perkins Caufield & Byers, said Friday he would oversee engineering and strategy at the startup, which has raised more than $60 million in venture financing and makes a popular app for reading news and magazine articles. ...