is there a web sight some where i can get a better under standing on how all this photo streaming,iCloud,all photos,camera roll,and so on work.it seams like everything on each devices works different to a point that it gets confusing.main problem is deleting pictures and what uploads and where to.a delete all button would help but that aint happening so how about helping an old man out.imac,iPhone and iPads are all running the latest programing and updates.