Why people prefer Instagram over Facebook or Reddit?
I do toy car photography (diecasts, hot wheels, etc). I went to upload to Instragram a 21:9 ratio image but it gets cropped automatically and only the headlamp part or the bonnet is visible in the cropped image. I had to use a black background and overlay the image. I am not very old enough (just in my late 20s), and I don't like people calling Facebook an old people app.
And for those who want to avoid your family circle on Facebook, you can just create an alternate account and don't add your parents and relatives to it. Don't let them know you have an additional account.
For those wondering, no I don't sell hot wheels. I just post my collection's images.