Except that it's faster, more secure and less prone to bugs caused by poor implementations of comet and other long polling techniques. The non-geeks do notice.

Except that it's faster, more secure and less prone to bugs caused by poor implementations of comet and other long polling techniques. The non-geeks do notice. They notice when things don't work on their iPads. They'll notice as security and TLS become a larger and larger focus, and mobile users should appreciate the lower header overhead.