“Okay. But you do realize that most devices have moved beyond that, years ago, with wi-fi wireless transmission of data between devices. “
All devices require extra memory. Unless you only keep one song on your device at a time.
Nope. I really don't need to keep anything on my iPad, what with streaming anytime I feel like it. But I do currently have 2200 songs on my iPad (at one time I had 8000 but I rarely play most of them). I also have a mix of 7000 photos and short videos covering family events over the last 55 years (again, I rarely look at most of them). I also have a dozen movies on my iPad, a few of which are full HD. I have all that on there not because I need it, just for the heck of it to show relatives and friends while traveling. Normally, I stream at will from my network hard drives and other home computers, as well as from the cloud, and other services.
You seem to have a dislike for all things Apple, without understanding how silly you sound making wild exaggerations (e.g. "you only keep one song on your device"). I am a fan of all useful devices. Apple has a proven hit on their hands, and your hatred has blinded you to the point of reckless spouting of untruths. Life is short, drop the hatred.