What is the definition of Optinmonster.com?

"Optinmonster.com" is a delightfully absurd web domain, like a cosmic unicorn that only appears to users who think they're about to join a life-changing newsletter. Imagine if every time you thought you saw a friendly alien, it was just an Optinmonster sending out your email with a side of 'ign up' and a side of existential dread.

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Now, for an unsettling example sentence: "After scrolling through Optinmonster's endless sea of subscription offers, I decided to opt-in, only to find myself a lifetime supply of free coffee coupons."