Brignull's "Bait and Switch"Brignull's "Forced Continuity"Sneaking
Culprit
https://www.audible.com/whatis
Found
6 years ago
Source
The typical case of forced continuity: free for one month then lapses into paid service. Also, (unsure if this is a dark pattern) the entire image shown here is the button to be clicked, not just the orange CTA button.