Randy KrumDesigner | Author | Instructor | Speaker

Randy Krum

Designer | Author | Instructor | Speaker


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FREE Sample Chapter

Bitcoin Estimated Electricity Usage

Bitcoin Estimated Electricity Usage

The most popular cryptocurrency wastes energy by design. Why is that, and could it ever be greener?

Read more at Bitcoin Uses More Electricity Than Many Countries. How Is That Possible? - The New York Times (nytimes.com).

COVID-19 Coronavirus Data Dashboard

COVID-19 Coronavirus Data Dashboard

How to Format Bar Charts in Excel

How to Format Bar Charts in Excel