Sometimes you just have to say WTF.  Today is one of those days.  I decided to jump in and buy a new iPhone 13 Pro Max.  I've had one iPhone or another basically since they first came out.  I've always had the big ones because I'm a big guy and the small ones just feel like a toy in my mealy hands. I shopped online for about an hour and finally decided to get what I started out thinking I'd want, an iPhone 13 Pro Max 512Gb.  Luckily, there were plenty in stock, so I picked one from the Apple store at Old Orchard and set it up for delivery between 10:00 - 12:00 the coming Saturday, about 2 days away. It was currently late on Wednesday night and the next day was Thanksgiving, so waiting until Saturday posed no problem at all. I actually noted to myself that what I just done to purchase the phone was a pretty satisfactory experience.  It is always a nightmare dealing with phone carriers, and that's why I didn't buy it from Verizon.  But it was surprisingly simple t

 If you've ever coded for multiple display types, especially the web and then iPhone screens, and  just  for grins throw in some Android screens including a few "Tablets" just for fun. My experience is you can pretty much just lump the Android screens in with your PC or MAC screens.  They tend to be a fairly common size and they are fairly well behaved. But when it comes to iOS screens, all bets are off.   Is it a small phone, or a big iPad., Is it HD display or not.   What is the input method, touch, type, or Pen?  Each of these require a different level of precision.  As I am writing the post today, we already have well over 10 pixel densities.  Common ones include  ldpi mdpi hdpi xhdp xxhdpi xxxhdpi nodpi tvdpi To help with all of this, I found two great sources.  One does a  great job of explaining iOS displays. Nowadays, not just iOS displays but may Android displays as well.  The other does a great job of everything else. I checked out my little Pulse Oximeter devic