Cookie permissions need to follow the law and strike the balance between respecting user privacy and being user-friendly.

Mobile devices … seamlessly bridge the gap between the physical and digital realms, making information and services readily accessible to their users at all times. Mobile design is a balancing act between functionality and simplicity, in which the goal is to create a user experience that is easy to use for all.

Smartwatches are for more than just receiving notifications and tracking steps. They afford at least 6 different types of interactions that users find useful.