What three macro-environmental forces could effect the launch on Apples iShirt campaign and how Apple can combat it?

The marketing environment of a business consists of all the factors that could influence how well it can connect with its clients. This can include internal components like assets, machinery, and the organisational structure of a business. External elements like current clients, delivery channels, and leading rivals are also possible. A company's customer base and potential growth can be influenced by both internal and external factors.