My feeling is that a variable paired with a sync.Cond might be the right 
choice if you are broadcasting a single value change.

I can't think of an readily available lib / language feature to support 
broadcasting multiple value change though.

On Monday, 16 October 2017 06:36:36 UTC+10, st ov wrote:
>
> A value sent through a channel can be read by only one reader, so once its 
> read its no longer available to other readers is that right?
>
> In what ways can I pass/communicate/distribute a value through a channel 
> and have it shared across an unknown number of readers?
>

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