[Twisted-Python] long-polling channels with Twisted

[Itamar Turner-Trauring (aka Shtull-Trauring)]

On Wed, 2009-11-18 at 18:22 -0500, vitaly at synapticvision.com wrote:
> hi,
> is there any example how to implement long-polling channel with  
> Twisted while using reactor()?

What is a "long-polling channel"?