It was a very simple question with several simple answers - one of them isn't: you must check those wedding photos and ask Samsung's permission to use any photo with guests using a Samsung cell phone.The question is way beyond ethics, because it concerns the copyright
of the objects or persons depicted in the pictures.
An example: if you take a picture of the Hollywood sign, you may NOT
publish your photo without the permission of the owners of the
You guys in Europe must spend your entire life getting permission; in the US if the object is merely incidental there is usually no problem. If there is a problem you are usually told to remove the photograph and when you do the problem goes away.
Tom