Using a Galaxy Fold on Korea's superior 5G network showed me that high-resolution video chat is going to be a major sales pitch for both Samsung's 5G phones and Apple's upcoming 5G iPhone.
With Samsung's Galaxy S20 line, 5G just might go mainstream. Samsung told me it expects sales of 5G phones to shoot up from 1 percent to 18 percent of the US market this year, pushed by the fact that there's no non-5G version of its new flagship. …
