During onboarding, Falou will (I imagine) artificially create a pause while it "builds" your plan, forcing you to read a few of their testimonials.
This is a combination of intentional friction (getting someone to stop), the Labour Illusion (showing how much effort goes into "building" the plan), and social proof.
Likely a killer 3x combo for conversion rates.
Crouton uses the iPhone's camera to offer hands free navigation. You can wink to flip through the recipe steps or open your mouth to view the ingredients list.
While scrolling down the homepage, you'll occasionally be reminded about the silent benefits of your YouTube Premium subscription.
Zepto adds tags to local vegetables, herbs and fruits. This creates a halo effect around their health, nudging users to purchase.
Creme prompts the user to share photos as the last step in a recipe.
The Financial Times' 404 page lists "economical satire" to justify the missing content.
Slack will warn you if your SlackBot's text contrast is too low, and then confirm when it is readable.