It’s said that Evan Spiegel sketched the first concept of Snapchat — the key screens and core interactions — on a single piece of paper in one sitting.
Today, Snapchat has 450 million daily active users. Not a bad outcome for something that started with one person’s simple sketch. 😀
It’s not the bells and whistles that make a product a hit — it’s the core principles and values. When those are clearly defined, a simple, bare-bones product is actually often better.