I never had performance issues, but I don’t read huge books or anything. There seem to be some online converters, but I agree that is not the most ergonomic. Maybe calibre-web could also do the job, with you connecting to it through your phone’s browser.

Never heard about the kepub format but I’ll look into it, sounds cool.

Kobo ereaders are great, when I’m on trips I download epub files on my phone, plug the ereader to my phone via USB, copy-paste the books and it just works. No need to install anything on the Kobo.

Viewfinder!

I mean there’s more than these two categories. There’s “Canadian news”, “French news”, “South Korean news”, “USA news”, and so on. It’s not a privileged classification, it’s national news, every country has them.

As if American cars had any reputation for reliability XD

This is just the plot to Snow Crash

LLDB?

… iPhone has USB 2.0

Wireless listening absolutely needs more than 2x the power of wired listening. It also needs charging an entire other device. You’re right that it doesn’t affect the phone battery, though I don’t think wireless charging “destroys” it.