1. Siri. 2018. Retrieved January 6 from https://www.apple.com/au/ios/siri/ Siri. 2018. Retrieved January 6 from https://www.apple.com/au/ios/siri/
2. I tell you something
3. Interaction Design Foundation. Voice User Interfaces. 2018. Retrieved January 6 from https://goo.gl/FQXscC Interaction Design Foundation. Voice User Interfaces. 2018. Retrieved January 6 from https://goo.gl/FQXscC
4. Cathy Pearl. 2016. Designing Voice User Interfaces. O'Reilly Media Cathy Pearl. 2016. Designing Voice User Interfaces. O'Reilly Media
5. What can I say?