Set up an eJabberd instance to peer to major Jabber/XMPP providers to support PubSub and/or PubHub for SA locally. This would simply require server infrastructure (dependent on traffic of course), bandwidth and physical placement in a datacentre.

Using this type of technology, web developers could implement "push" updates to other web apps, users and other services. This means a general reduction in bandwidth usage overall as it scales as there will be way less polling for RSS feeds, updates etc.  read more »