We had a dedicated camera button on Nokia Windows Phones back in the day, great feature and I miss it dearly every time I have to take a picture using my phone's touch screen.
Another discussion: <a href="https://news.ycombinator.com/item?id=41491896">https://news.ycombinator.com/item?id=41491896</a>
[dupe]<p>Some more discussion: <a href="https://news.ycombinator.com/item?id=41491896">https://news.ycombinator.com/item?id=41491896</a>