The design of software should allow users to learn intuitively, as seen with Snapchat, where users can easily pick up the interface by observing others.

Every interaction with software should start simple, allowing users to opt into complexity, which is crucial for creating a user-friendly experience.

A product should be simple to explain and easy to understand; if you can't do that, it often indicates unclear thinking or a market need that isn't significant enough.

Apple's success came from understanding that people felt intimidated by technology and wanted a simpler interface, leading them to market not just computers, but a resolution to the problem of intimidation.

When you have experience in creating successful products, like a popular iPhone app, you likely understand what it takes to build and launch effectively, so follow your instincts.

Designers must be honest in their work, focusing on simplicity and eliminating unnecessary elements to create meaningful products.

Interaction design is about understanding user commands and how to effectively guide users through the product experience.

Founders should focus on building the simplest viable product to learn from users rather than getting bogged down in complex plans.

If you have to educate your customer on how to buy something in a radically new way, it’s a heavy lift; it must be super simple, obvious, and significantly better than the current method, which we failed to achieve initially.