How Big Are Supply Concerns for Apple's iPhone 7?

The video discusses the evolution of Apple's iPhone, focusing on the iPhone 7 and its market impact. It highlights Apple's brand value, user base growth, and market trends. The video also covers Apple's focus on services like iOS 10 and Apple Music, while addressing challenges in service delivery. Supply chain issues and demand for the new iPhone model are analyzed, along with investor reactions and sales data, emphasizing the company's market strategy and growth potential.

What concerns were raised about Apple's supply chain, and how does the speaker address them?

What implications does the speaker suggest regarding the supply constraints at the beginning of the iPhone cycle?