What is a freemium model in SaaS pricing? 

The freemium model offers a basic version of the product for free, with premium features available for a subscription fee. It is a common pricing strategy in SaaS to attract users and convert them into paying customers.

Why are freemium models the pillars of product-led growth? 

Freemium models drive product adoption, user engagement, and virality, aligning with the user-centric approach of product-led growth. They allow users to experience the value of the product before making a purchase decision, fostering organic growth and customer advocacy.