Content

Data explained by those who build it

Integration, dashboards, security and AI in marketing and sales. The real problems and how dottie solves them.

Data fundamentals

What's the difference between a dashboard and a report

A dashboard is live and made for acting; a report is a snapshot of the past, made for recording. When to use each.

Data reliability

Why month-end breaks so many reports

A single field with one out-of-place character can take down an entire pipeline without any error. How it happens and how to protect against it.

Data integration

Why integrating data from different sources is so hard

Each platform speaks its own language. The hard part isn't combining once, it's keeping everything adding up over time.

Revenue attribution

Why GA4 revenue and Meta or Google revenue never match

The platform almost always reports more sales than GA4. Understand why, and which one to use as the truth.

Security

How to make a dashboard shareable without becoming a risk

Sensitive data in your palm requires access in the person, not in the link. The balance between ease and protection.

Data fundamentals

What are data visualization tools (and the role of AI)

Looker Studio, Power BI, Tableau and what AI changed. Why the tool is the last step, not the first.

Step by step

How to make a marketing report that leads to action

Start with the goal, never the metric. End in action, never a chart. A guide in six steps.

Step by step

How to build a paid traffic report that drives decisions

The step by step and best practices to measure real ROAS, use the right revenue source and end in a decision.

Study · Brazil

Brazil bans online betting: was it harming society? What the data shows

R$ 220 billion bet in 2025, the burden on low-income families, debt, addiction and jobs. With data from Brazil's Central Bank, IBGE and Ministry of Health.

Study · Dashboard

Olympics dashboard: 1896 to 2024 in data

The whole history of the Summer Games in one interactive dashboard: Brazil, USA vs China, and the impact on searches.

Study · Global indices

Quality of life in 2026: what global rankings really measure

What the World Happiness Report and the WHO's WHOQOL measure, and the Brazilian paradox of well-being.

Study · Market and culture

Brazilian soft power: the brasilidade phenomenon in data

Export, tourism and culture data explaining why the world stopped to look at (and buy) Brazil.

Study · Economy and behavior

The Christmas economy in Brazil: R$ 70 billion and the attention paradox

Why December is the most expensive month to advertise even as digital attention falls. A condensed study.

Study · Economy

Does the year only start after Carnival? The data says otherwise

Why Brazil's first quarter is one of the strongest, despite the cultural belief in a slow start. A condensed study.