Oral B has recruited your expertise as UX/UI researcher and designer to create a smarter electric toothbrush. The idea is to design an electric toothbrush with a variety of sophisticated data-tracking features including a music player, ways to sense how well the users were brushing every single tooth, and even how sensitive their gums were. 1. Suggest how would you implement effectiveCX-elementsin the situation provided. [20 Marks]

2. UI-design-related suggestions. Refer to UI-design principles and Bertin's Visual Variables [10 Marks]

3. Creating customer personas, performing market segmentation, applying JTDF or conversion framework [10 Marks] 4. How a tool (e.g. Sparktoro, Google Analytics, Facebook Business Insight, Amplitude, Slack, etc.) can be used to understand or solve a given customer-centric problem? [5 Marks]

please answer all 4, as it's my second time uploading.

asap. for exam