Think about those beautiful images of a mountain over a large lake, where you see an almost perfect reflection of the mountain and sky in the lake. What about the same idea with photographers adding a large mirror under products.
It would be very picturesk to have an option to change the ground plane to a mirror. This would help with size inference when looking at a render, where the larger the reflection height there is means that the product/design is large - Example: small designs up close sometimes seem as though they would be massive in real life.
A mirror ground-plane would also help with giving a view of more than the camera viewed sides. Seeing the bottom and backside of the design in the mirror is very helpful.
This is a thought and if anyone has more ideas to add to this please do so.
Thank You