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.