Spotify has seldom acknowledged the existence of the newer shuffle algorithm since 2014, let alone revealed details on how it may have been altered, revised, or iterated upon in the ensuing years.

When Spotify users interpret the appearance of clusters of songs to mean that shuffle isn’t random, they’re suffering from the same ailment as the gamblers in the casino.

It appears one of Spotify's initial attempts to boost its podcast audience is to literally insert random episodes from shows into listeners' song recommendations.