Loading
🙋♂️
👀
People are constantly seeking evidence to evaluate a new experience (e.g., a product, service, or holiday).
It's essentially the basis for reviews and testimonials, although can be used in much more subtle ways.

🔥
Conversion rates
Substack makes sharing newsletters feel worthwhile, by celebrating when they get a new subscriber because of you.

After listing an item, eBay will use social proof to nudge you into promoting that item.
