I'd love to get some input from the Statamic community on this and although it's more of a general question not specifically related to Statamic, I still think it would be worth discussing for those developing Statamic websites.
Similar to the transform tag, I would like to be able to add multiple photos to a blog post and when I submit the post multiple dimensions of the photos would be created. If someone visited the site from a mobile device they would get the smaller image versus desktop sized image.
I could see this being an add-on to Statamic to the file uploader. I'm not a developer so I'm not sure if that's even possible. Would love to hear what others have to say on this topic.