February 22, 2021
This is an excerpt from Chapter 9 of Design Beyond Devices: Creating Multimodal, Cross-Device Experiences, by Cheryl Platz. 2020 Rosenfeld Media.
Chapter 9: Lost in Transition
One constant in truly multimodal systems is change. When you could assume a customer would remain in the same context for the duration of an interaction, the only change that designers had to consider was the change in the customer state enabled by the user interface (UI). Don’t want a change? Then don’t build an affordance for that change. Simple.
Multimodal systems are defined by their flexibility. Without the ability to transition between inputs and outputs, all a multimodal system provides is a single choice up front about an engagement. It’s essentially several mutually exclusive single-mode interactions. Read More