The iPhone's camera has many limitations, but it is possible to take an interesting picture or two with one.
The jpg artefacts contribute to the J M W Turner feel of Autumn seen from my kitchen.
A friend of mine bought a fixer-upper. This is the backyard before he got serious about it.
In this case, I jammed the phone into the neck of a decanter to verify what was apparent to anyone who was sober: there was only a drop left.
Although there is no easy way to attach a polarizer to the phone, it is possible to shoot a picture through your own glasses.