447
People want 'dumbphones'. Will companies make them?
(www.bbc.com)
This is a most excellent place for technology news and articles.
The S4 mini wasn't quite that small, but typing comfort on small phones depends entirely on how comfortable you are with using swipe/gesture typing, as that's realistically the only normal way to do it - any on-screen buttons are just too tiny to hit accurately unless you go landscape.
I am still very stuck with typing with two thumbs like I did on my BlackBerry.