What is the significance of the seven questions that every business must answer according to 'Zero to One'?

The early value propositions for PayPal were centered around the idea of simplifying online transactions. PayPal offered a secure, quick, and easy way to send and receive money online, which was a novel concept at the time. It appealed to early adopters (earlyvangelists) who were primarily eBay users and small businesses looking for an efficient way to handle online payments.

To understand the customer and gain insights, specific techniques could include conducting surveys, interviews, and focus groups. Observing user behavior and analyzing usage data can also provide valuable insights. Additionally, creating customer personas and journey maps can help in understanding the customer's needs, motivations, and pain points.

Remember, it's crucial to continuously engage with your customers and adapt based on their feedback.

'Zero to One' suggests that businesses should prioritize innovation over globalization. The book argues that true value is created through unique innovations, not by simply expanding existing ideas or products to new markets. It implies that businesses should focus on creating new technologies that can be made accessible to the masses, rather than just focusing on expanding their reach globally.

According to 'Zero to One', the role of 'definite optimism' in the worldview of successful innovators is crucial. It suggests that successful innovators have a clear and positive vision of the future. They are not just hopeful, but they have a definite plan to make their optimistic vision a reality. This mindset allows them to create true innovation and make it accessible to the masses through startups.