Facebook is probably greatest place for sharing pictures. However Facebook own another service for sharing photos. I
nstagram is Facebook’s service and there are cooperation between those two services. Until now you could upload only square photos on Instagram. But if you want to keep up with technologies you must adapt. Now you can upload almost any type of photos even landscapes and portrait modes. In shortcut Facebook photo service is make everything to become more convenient to users. At least Instagram acknowledging that square format of phot is not best for every event.