Consider the following features for a Project Management SaaS app. Identify which two are potential core product-side levers that can significantly improve activation rates:
- Lever I: Incorporating real-time collaboration tools for project teams.
- Lever II: Enhancing the app's UI for easier navigation and task management.
- Lever III: Offering a customizable dashboard for personalized project tracking.
- Lever IV: Implementing a referral program to incentivize existing users for new sign-ups.