YouNow live session for patrons (Patreon)

There is a website called YouNow, which specialises in doing live streaming video.  So far as I can tell, by using it I will be dragging the average age of all users up by a few years.  Anyway, I have had the idea of doing a live stream sometime soon, and telling my patrons and no one else when this will be, so we should have the show to ourselves.  The system takes its input from webcams, so this would be a one-to-two-hour session of me, a webcam, my patrons, and questions and answers going back and forth.  You would be free to ask whatever you wanted, and since there are not so very many of you, each of you would stand a high chance  of getting your questions answered.  There would be no charge.  This is one way I have of saying thank you for being a patron.  

When should this be?  Soonish, I think - within a fortnight seems reasonable.  Which day and at what time?  Well, you come from all round the world, but with a strong bias to Britain, western Europe, and the USA, so some time convenient for those living in Greenland seems a good compromise.   If I picked Saturday 16th April at 5 p.m. then this would be noon for New Yorkers, and 9 a.m. for Californians, and 7 p.m. for the Finns, and 10.30 p.m. for the Indians.  For those in Sydney, this would be 3 a.m. on Sunday.

Is this a good time?  Is this a good idea?  Are there things people would like me to have prepared beforehand?