Not my bag, really.
But the main parties seem to use it a lot. For things like this:
www.bloggerheads.com/archives/2006/03/tessa_jowell_ca_2.asp
( ,
Wed 22 Nov 2006, 12:22,
archived)
www.bloggerheads.com/archives/2006/03/tessa_jowell_ca_2.asp