Answered from a general business perspective.
Explanation:
1. The Warby Parker company is a U.S based enterprise that provides prescription eyeglasses to customers, by so doing they satisfy the reading and seeing needs of society.
2. Yes. It is relatively faster to complete a sale via traditional retail stores since these are closer to customers. For example, a customer who needs to replace their broken reading glasses can simply visit a physical retail store; and the problem is solved rather than going online to place an order that may take days to arrive.
3. Going to a traditional retailer seems to be the best option especially when it's located a few blocks from your home.