The LG V20's Second Screen is a gimmick that actually works

Is the LG V20's second screen a reason to buy the phone? The LG V20 is a big phone with a twist -- a second "ticker" display just above the main LCD panel that LG calls the "Second Screen." In reality, it is just a small extension of the main display, but thanks to improvements in battery efficiency and some software smarts, it is able to stay on all the time. But is the Second Screen a gimmick? And what exactly can you do with that extra space? Let's break it down. What is the Second Screen? It...