Vision and design experts say the best maps, charts and presentations use words and icons in addition to color.
WSJ: New Outlook for Colorblindness
With a unique design, enhanced camera, world class maps with turn-by-turn navigation and free unlimited music streaming, the Nokia Lumia 822 provides Verizon Wireless customers with high-end smartphone features on America's largest 4G LTE network.
ENGADGET: Verizon officially announces Nokia Lumia 822, coming this Fall (update: $100 on two-year contract)
Yet Dr Roberts, whose academic work Underground Maps Unravelled has just been published, doubts his design will ever be used.
BBC: London Underground map gets curves in lecturer's design
However they have worked together, most recently to design versions of some of Google's services like Gmail and Google Maps for the iPhone.
BBC: Apple and Google 'probe launched'
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