"xkcd Phone 12", by Randall Munroe, licensed under Creative Commons Attribution-NonCommercial 2.5 License
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New phone OS features: Infinite customization (home screen icons no longer snap to grid), dark mode (disables screen), screaming mode (self-explanatory), and coherent ultracapacitor-pumped emission (please let us know what this setting does; we've been afraid to try it).