Chartosaur Blog

Master Presenting with Data using our Playbook

Interactive lessons and practical resources to transform your data into compelling narratives that demand authority

Join our Data Storytelling Community

Actionable tips and proven frameworks delivered straight to your inbox+ Instantly get a FREE 21-step interactive checklist!

Our Services

Tailored Strategy & Roadmapping
Powerful Data Storytelling & Visualization
Team Training & Enablement

Explore Services→

Social Media Usage

When Small Multiples Beat a Single Chart

October 14, 2025|

Small MultiplesLine ChartsTrend

Social Media Usage: When Small Multiples Beat a Single Chart — Source: @gregisenberg

The win here isn’t the data, it’s the layout. Small multiples for each age group in light blue, plus one dark-blue total. You see the pattern for every segment and the pattern for the world without six lines wrestling on one chart.

Isochrones

Mapping Access in Minutes, Not Miles

October 5, 2025|

MapsUrban PlanningData Visualization

Isochrones: Mapping Access in Minutes, Not Miles — Image: Jono Hey, Sketchplanations

Most maps push us to think in distance, but some decisions need minutes. Isochrones swap miles for time and show what you can actually reach.

China vs. the World in Solar

Side by Side

September 21, 2025|

SolarComparison

China vs. the World in Solar: Side by Side — Chart by Ember Energy

China's solar expansion is really highlighted in this chart. In just the first half of 2025, it added 256 GW, more than double what the rest of the world managed combined. That's the headline, and this chart from Ember delivers it with confidence.

A Clean, Striking Chart

With One Smoothing Slip

April 30, 2025|

Line Charts

A Clean, Striking Chart: With One Smoothing Slip

This chart from @Barchart caught my eye right away. It shows a major economic shift—the top 1% of U.S. earners now hold more wealth than the entire middle class. That's a powerful story—and the chart tells it clearly. Almost.

Where the Sun Shines

Daylight & Solar Intensity Across Cities

April 15, 2025|

Heatmap

Where the Sun Shines: Daylight & Solar Intensity Across Cities — Credit: @naspli on r/dataisbeautiful

Came across this visualization by @naspli in r/dataisbeautiful and had to share. It shows how daylight and sun intensity change over the year in different cities—and it does it in a really clear, elegant way.

Fragging Beautiful

A 3D Look at CS2’s de_dust2 Kill Zones

April 7, 2025|

3DDensity Plot

Fragging Beautiful: A 3D Look at CS2’s de_dust2 Kill Zones — Credit: @smartbackwards on Reddit

I came across this gem on Reddit and had to share. It's a visual breakdown of where frags happen on de_dust2 in pro CS2 matches—and it's a great case study in when 3D does work in data viz.

Online Gambling

Bar Chart

April 2, 2025|

Bar chartsLayoutRevenueSports Betting

Online Gambling: Bar Chart — Credit: New York Times

When we talk about online gambling, sports betting usually grabs the spotlight, especially with big events like the Super Bowl or March Madness. But this chart makes it crystal clear—online casinos quietly rake in far more tax revenue than sports betting, at least in these six states.

Waffling AI Citations

How Bad Are AI Search Engine Citations?

March 30, 2025|

Waffle ChartPie Chart

Waffling AI Citations: How Bad Are AI Search Engine Citations? — Credit: Tow Center for Digital Journalism at Columbia's Graduate School of Journalism

AI-powered search engines often talk a big game, confidently serving up quick answers to our queries. But the reality of their citations tells a different—and troubling—story.

Dashboards That Actually Get Used

Say Goodbye to Digital Collectors 👋

March 24, 2025|

DashboardsFrameworkLayout

Dashboards That Actually Get Used: Say Goodbye to Digital Collectors 👋

We've all been there. Weeks of painstaking meetings. Countless brainstorming sessions. A significant chunk of budget invested into shiny new analytics tools. And finally—launch day arrives. Everyone gathers around, marvels at your sparkling new dashboard, and promises this tool will revolutionize how decisions are made.