My latest post on CoDesign (FastCompany's design-focused website) discusses five principles of smartwatch design. Rather than considering smartwatches as smaller, wearable versions of smartphones; designers need to consider the the unique context of use, behavioral patterns and ergonomic constraints of a smartwatch.
Read the full article - 5 Surprising Principles For Designing Smartwatches.
Also, see some of my previous postings on CoDesign from over the years.
