Notion's unique artwork has helped achieve a unique branding of its own. It has also become a huge marketplace for templates, logos, characters, and all sorts of artwork inspired by existing Notion's theme.
Leveraging ambassador programs for marketing
Why invest heavily in marketing when you have ambassadors? 🙃
No like for real, there are always people out there who genuinely believe in the product and do not look for any monetary value.
For folks likes these, being part of the community, contributing toward's the growth of the product is more satisfying than the monetary value to compensate for their time invested in the process.