Why has Chase Sapphire Reserve been so successful in acquiring customers? Will this success continue over time? Why or why not? What changes would you make to their customer acquisition strategy going forward?

If you are a competing credit card provider, how do you respond to the Chase Sapphire Reserve? How should Chase position itself to be ready for these competitive responses?

How successful will Chase be at retaining Chase Sapphire Reserve customers into their second year? Why? What would you suggest they do to improve their odds of retaining their customers?