Just spotted a custom icon in your group chat? Messages now lets you set unique icons for RCS groups-here's how to do it!

Still, that’s a pretty minor concern — Transparent Screen seems like an app best used occasionally, when you absolutely have to fire off a message while on the move.

You don't want to space icons out with little generic Windows executable icons after all, you want to space them out with nice transparent open space. We've created a 256x256 transparent icon for you.

The 69p ($1.15) Type n Walk app, created by California-based CGactive LLC, uses the phone's camera to show road ahead as the screen background.

The text bubbles themselves could be opaque or semi-transparent, the patent notes. Apple added transparency overlays to iOS, as part of the major makeover it gave its mobile operating system in iOS 7.

Apple is looking into technology that offers users an easier, safer, way to text and walk by making an iPhone's screen "transparent" during messaging operations through the clever use of live video.