3　B Popper (25 October 2017) Amazon Key is a new service that lets couriers unlock your front door.
4　D Harris (no date) 4 emerging use cases for IoT data analytics.
5　An introduction to big data: Structured and unstructured (20 February 2014).
6　What is EDI (electronic data interchange)? (no date).
7　TH Leandro DalleMule (May-June 2017) What's your data strategy? Harvard Business Review.
8　E Wilder-James (5 December 2016) Breaking down data silos. Harvard Business Review.