text: The Scalability of Full Content Feeds \\There has been a lot of talk  recently about the problem of RSS feeds which\include full content on high bandwidth sites such as MSDN blogs.\\When RSS is used for a site with both a great amount of users, and with frequent\updates, the bandwidth required to deliver realtime events can be problematic.\\Its a real problem.  The RSS model requires clients to download the ENTIRE feed\if even ONE item has been modified/added.  This means that if you have 55k\subscribers, with 15 RSS items in your feed, and you want to publish one more\post, all 14 additional posts need to be re-downloaded by the client.\\There are a lot of potential solutions. HTTP deltas are one solution but too\difficult to imp ...\\