Hi, John,

At Sat, 2 Jun 2012 13:38:05 +0000,
John Darrington wrote:
> However if there's going to be a Main Topic, then I might perhaps talk about
> something else which fits that topic, whatever it may be.

I don't think this is necessary.

> What are the time 
> limits?   Is there normally a Q&A session allowed?

In the past, presentations have been allocated either a 30 or 45
minute time slice.  This includes any time for Q&A at the end.

Neal

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