Product Feature Ideation

Brainstorm features for {PRODUCT_NAME}.

Current features: {FEATURES}
Target users: {USERS}
User complaints: {PAIN_POINTS}
Competitor features: {COMPETITOR_FEATURES}
Budget: {BUDGET}

Generate:
1. 10 quick-win features (easy to implement)
2. 5 differentiating features
3. 5 viral/shareable features
4. 5 premium/upsell features
5. 3 moonshot features

For each: Description, user benefit, effort estimate, revenue impact.