The same comic that shows a group of five functions join hands in succession, a sixth strange hand joins, the functions look annoyed at this purple teletubby interloper labeled IO. In the last panel, all participants have become purple teletubbies.
https://media.hachyderm.io/media_attachments/files/113/004/781/321/057/755/original/5e65e7d529020938.jpeg
Timothy Wolodzko
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