All you have to do is register for an ID with LG U+ and you can connect to LG U+'s own "Free_U+zone." While LG U+ has tested free Wi-Fi in the past, the focus on universal Wi-Fi, no matter the subscription plan, is an especially nice touch.
The way that this business works is that users can connect to Wi-Fi for one hour by sitting through a 15-second commercial. When the user stays on for more than an hour, another 15 second clip will play automatically. That's not a bad trade-off.
We'll see how other mobile services in Korea will try to combat or fold under this bold move by the LG Group, but combined with Korea's lightning fast internet speeds, let's file this one under another reason why living in South Korea is great.