I've got the smallest smartphone Samsung makes (A01). With a thin silicone case, it fits front pocket of my jeans with no problem, standing, seated,...
The thing that turned me off to command-line stuff (after a couple decades working in Solaris/VxWorks/etc) is spaces in egregiously-long folder/file...
Yoga class makes me feel like a total stud, mostly because I'm about as flexible as a 2x4. "Design"? Possibly. "Intelligent"? Sure doesn't look like it from this angle. We used to be hunter gatherers. Now we're shopper borrowers. The three most important words in the English language: "Front Towards Enemy". The world makes a lot more sense when you remember that Butthead was the smart one. You can never be too rich, too thin, or have too much ammo.