Sony control the client, but not the servers. They don't run their own CDN, but use at least half a dozen different commodity CDNs. So extra server side logic w

Sony control the client, but not the servers. They don't run their own CDN, but use at least half a dozen different commodity CDNs. So extra server side logic won't really be an option, it's just static files over HTTP in bulk. But yes, there's a lot of client side smarts they could benefit from.