Youtube activity of "John Cunningham" (@johncunningham4820) on "Cool Worlds" channel.
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UCuj8Svq0D_c3HqzSUJMrVEA
Commenter youtube id
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John Cunningham
Commenter name
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@johncunningham4820
Commenter name id
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""
Comments by video
"Becoming a Kardashev Type I Civilization"
"The Star That Can't Exist"