So let me add some more detail.<p>The system is used to help reduce bandwidth, as well as including a better TCP algorithm for use over the radio links, to help cut down lag and retransmissions, because the radio links are notoriously bad, and the standard algorithm doesn&#x27;t quite cut it.<p>The system will actively try to down sample both images and video to help reduce bandwidth usage. In the case of video, it also tries to limit the buffered video to no more than X seconds ahead.<p>And finally, it is also big cache, and it tries to keep the most requested content locally. One of the new features is the ability to &#x27;guess&#x27; what video is being viewed inside a HTTPS stream and try to cache it too.<p>As mentioned above with regards to the Canada telcos inserting iframes or content regarding their data usage and caps, the system can inject any content into the HTML page if it is provided over HTTP. They do this because normally they have no way to contact customers that have tablets, or 3G modems &#x2F; dongles, to alert them of limits or just to be able to contact them.