Straight facts. I have a purse, hip bag, or small backpack on me everywhere so the size is pretty much irrelevant so long as I can type on the keyboard with two hands. I would use the hell out of a 3DS XL sized folding phone.

I will say that the folding screen seems like a gimmick on the "2.5 phones taped together" size. For compact flip phones it makes sense tho.