Integrating responsive images with Interchange

…When Ethan Marcotte invented the concept of responsive…design, he said it was characterized by three characteristics.…One was a flexible grid-based layout, one was media…queries, and the third thing was images that resize.…Well, we've been working extensively with a flexible grid,…and you've certainly seen the media queries in action as…we've been working with that flexible grid, but we…have done nothing so far to address images that resize.…So if you take a look at this page…that we have right now, this is called interchange.html.…It's in your Exercise files Folder, go ahead…and copy it over to the Foundation folder.…As you can see on the desktop, this is a great big huge picture.…It looks lovely on the webpage, but as I make the screen smaller…here, what happens to that image with its corresponding rather large file size?…Absolutely nothing.…This image is simply rescaling in the browser, but…the file size to download an image here at this…tiny resolution is exactly the same as the file size…to download the image here at this very large resolution.…