LG CLOSED ITS VIRTUAL PRESS conference yesterday at CES with a teaser video showing a person holding and expanding a rollable smartphone. The company provided no further details at the time and in a press release that followed said its “rollable device is an ‘exploratory’ look at what the future of smartphones may bring.” Later however it was confirmed by LG spokesperson Ken Hong that the smartphone is not merely a concept product, but will actually be available later this year. For a company that hasn’t made a profit selling smartphones for years, you have to credit LG for trying...