What's an Aspect Ratio and why does it matter?
What on earth is an aspect ratio - 4:3 6:2 16:9 1:1
Why does it matter to your images?
Do you ever change it !
Do you just keep your images as shot?
Here is a look at aspect ratios what they mean and why you should be looking to use different ratios for different images
Take a look at this article and video