Why don`t we see any more pop-up selfie cameras?
(Android Central)

You can still find a few phones with pop-up selfie cameras, but don`t hold out for this trend to make a comeback. Phone manufacturers have waged a war on bezels over the last four years, and the result is that even budget phones these days have ultra-thin bezels on all sides. Thin bezels mean you get a larger screen-to-body ratio, allowing brands to cram a larger screen without increasing the dimensions of the phone. For some context, the Galaxy S9+ had a 6.2-inch panel, and the Galaxy S21 offers the same screen size even though it is 6.4mm shorter. Xiaomi was the one to kick off this particular trend back in 2016 with the Mi Mix, which offered a 91.3% screen-to-body ratio. Xiaomi achieved this by changing the location of the front camera module to the bottom bezels, leading to an all-screen design. Brands have iterated on this formula; the Galaxy S8 and S9 series featured thin bezels at the top that hid the camera module, the ZenFone 5 and OnePlus 6 went the iPhone route and added...