Let's share! Your top 3 sources of inspiration to create/improve some product

To create: 1. Appstore's top 100 (for best practices and trends). Mobbin also helps me with it. 2. Product Hunt and similar platforms 3. Facebook ads library To improve: 1. Competitors (including indirect competitors) 2. Analytics 3. Community cases (e.g. r/GrowthHacking) extra: sales chat 🤪