Nope, I am the propagation issue. It has been made public now and should be 
accessible.

Cheers, bob

> On Jun 3, 2019, at 10:08 AM, Raul Miller <[email protected]> wrote:
> 
> I get "This video is unavailable." when I try to watch this one.
> 
> Probably it takes time for videos to propagate to edge servers?
> 
> I'll try again tomorrow...
> 
> Thanks,
> 
> -- 
> Raul
> 
> On Mon, Jun 3, 2019 at 12:34 PM 'robert therriault' via Programming
> <[email protected]> wrote:
>> 
>> Hey Brian,
>> 
>> Based on your thoughts on the backgrounds I redid the video for Head so that 
>> the representation of the atom becomes a solid blue background instead of 
>> ring when it is made into a one item list.
>> 
>> Hopefully this consistency will help the understanding as we move forward.
>> 
>> The new video is posted here. https://youtu.be/FV9G5zeRnPg
>> 
>> Cheers, bob
>> 
>>> On Jun 2, 2019, at 8:45 AM, 'robert therriault' via Programming 
>>> <[email protected]> wrote:
>>> 
>>> Thanks Brian, that is great feedback.
>>> 
>>> It was the true intent and you are right that I should mention it.
>>> 
>>> Also, the reason that the atom example has only a blue border is that the 
>>> shape of an atom is empty, whereas the solid blue indicate the shape of the 
>>> items. The blue border differentiates it from the list of length 1 which 
>>> would be a solid blue background. The challenge that I face is that I don't 
>>> want to get too far into the weeds when I am explaining something like 
>>> Behead. That was one of the reasons that I made up an Items video, as it 
>>> explains the concepts that are foundational to the explanation of verbs 
>>> that operate on items.
>>> 
>>> Your third point is actually why I included the empty examples. Often they 
>>> are mentioned only in passing, when I think that the difference between 
>>> items that are empty and no items is a foundational concept. If your 
>>> confusion is a result of not being clear on the distinction, then I am okay 
>>> with that if it leads to understanding. If the presentation confuses the 
>>> issue further, then I have work to do. I am going to take another look at 
>>> that at those empty examples. I did think about the further explanation of 
>>> i. 0 2 and i. 2 0, but again that would bring a whole other verb into the 
>>> discussion and I thought it better to just have s20 and s02 be what they 
>>> are because I don't think for these purposes that it matters how they came 
>>> to be that way.
>>> 
>>> Just my thoughts. Any responses/disagreements would be welcome, as that is 
>>> how these videos will improve.
>>> 
>>> The nice thing about making these videos into labs is that I can address 
>>> some of this in the examples and the text surrounding the video. I hope to 
>>> have the Behead lab up later today and I will certainly think about your 
>>> points as I develop it. Of course, if the confusion is deep enough then the 
>>> solution is to redo the video!
>>> 
>>> Cheers, bob
>>> 
>>> 
>>> 
>>>> On Jun 2, 2019, at 8:21 AM, Brian Schott <[email protected]> wrote:
>>>> 
>>>> Bob,
>>>> 
>>>> I think I noticed a pattern where each "item" in each example has a
>>>> separate blue background.
>>>> If that is the true intent,
>>>> a) you might mention it
>>>> b) in the first "atom" example, the item has a blue border, only.
>>>> c) I get a little confused after that with s20 and s02, maybe because I
>>>> have difficulty understanding the difference between empty items and
>>>> non-existent items. It's especially important for the backgrounds and
>>>> borders to be consistent. (It might even be helpful to make clear that s20
>>>> and s02 are i. 2 0 and i. 0 2, if that is correct.)
>>>> 
>>>> Very nice examples.
>>>> 
>>>> On Sat, Jun 1, 2019 at 5:43 PM 'robert therriault' via Programming <
>>>> [email protected]> wrote:
>>>> 
>>>>> I just posted a new video on the Behead Monadic Verb. It is along the
>>>>> lines of the last one (Head Monadic Verb) and I will be putting up some
>>>>> labs pased on it in the next day or two.
>>>>> 
>>>>> Any suggestions and/or comments are welcome.
>>>>> 
>>>>> https://youtu.be/7T53JdaE0HY
>>>>> 
>>>>> Cheers, bob
>>>>> ----------------------------------------------------------------------
>>>>> For information about J forums see http://www.jsoftware.com/forums.htm
>>>>> 
>>>> 
>>>> 
>>>> --
>>>> (B=) <-----my sig
>>>> Brian Schott
>>>> ----------------------------------------------------------------------
>>>> For information about J forums see http://www.jsoftware.com/forums.htm
>>> 
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>> 
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