Youtube activity of "Halfdan Ingolfsson" (@Halli50) on "SmarterEveryDay" channel.
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UCrg_CePg39DQcLTdjin5PXQ
Commenter youtube id
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Halfdan Ingolfsson
Commenter name
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@Halli50
Commenter name id
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"How Hard Can You Hit a Golf Ball? (at 100,000 FPS) - Smarter Every Day 216"
Comments by video
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