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Samsung reveals first tri-fold phone
(www.phonescoop.com)
This is a most excellent place for technology news and articles.
Why did they make the screens fold in? The Huawei Mate XT folds up in a z-shape, which imo makes more sense as you don't need a 'fourth' outer display anymore. Seems more efficient that way.
Because they're fragile. You don't want your screen to die on the first drop.
and you don't want it full of scratches, since cover glasses and protection cases will probably be quite complicated for these monstrosities?