How can a value proposition help in delivering promises to end users?

A value proposition influences customer decision-making by highlighting the unique benefits and features of a product or service. It helps customers understand why they should choose a particular product over its competitors. It can also influence their perception of the product's value, which can affect their willingness to pay for it.

Some strategies for updating a value proposition over time include: regularly reassessing the value your product or service provides to customers, keeping an eye on the competition to understand how your offering is differentiated, and ensuring that your value proposition remains credible and substantiated. It's also important to stay in tune with market trends and customer needs, as these can change over time and may require adjustments to your value proposition.