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The best way to build a dashboard to meet your users' needs is to understand the ins and outs of your users. Learn best practices for creating user personas and user testing.
After you look a the slides, check out the sample prototype and testing process video from Apple: https://developer.apple.com/videos/play/wwdc2014/223/
Learn more with Business Intelligence Buyer’s Guide at https://goo.gl/PH69XO.