Changes in the tourism, travel and hospitality industries can impact on how an organisation delivers quality services and products. These changes can come from local, national and global developments. A manager wants to develop new products, services and ideas in an organisation that will fulfil customer needs. To do this, they must review any changes in the internal and external environments and integrate these findings into their planning processes. Use this example to answer the following questions: 1.3.a What sources of information could the manager access to gather information on current service trends and changes that affect service delivery? Provide three examples and explain how the chosen sources could help