A 512GB memory card costs $35. Once. Apple makes an estimated $10 billion a year selling storage as a monthly bill instead. That's the entire reason your phone lost its memory card slot. Look at the free iCloud tier. It launched at 5GB in 2011, back when iPhone photos were 8 megapixels. Fifteen years of camera upgrades later it is still 5GB. A free tier that fills up in a few weeks isn't an oversight. It's the funnel. Samsung held out longest. Then the Galaxy S21 dropped the slot in 2021,…