proof. / Journal
Journal
Plain answers for business owners about brands, websites and AI assistants: what things cost, what to ask before you sign, and what the rules allow.
Who owns your website? Five things to check before you sign
Your domain, hosting, code, design files and data should be in your name. Here is how to check each one, and what to ask a studio before you sign.
Case: proofbrasil.com, our own website
Our site for the Brazilian market, in Portuguese, English and Spanish: a photo that changes under the pointer, a page that signs its name, and work that scrolls sideways.
Case: Operation Dan Day, a birthday staged as a mission
A noncommercial birthday event. The invitation is a website that opens like a mission, with a briefing, squads, a map of the area and a way to confirm you're coming.
Case: IRIS, industrial AI that asks a person before it acts
IRIS is an industrial AI platform with a 3D twin of the real place. Operators ask it questions, it goes to the sensor and answers, and a person approves what it wants to do.
Case: IoTflix, a 3D showroom that turns a sales call into a proposal
A wall of IoT demos laid out like a streaming catalog. Each demo builds a store in 3D, puts sensors in it and shows the readings arriving live.
Case: a new identity and a new website for Fuse IoT
How we rebuilt the look and the website of an industrial IoT company, so its technical work also shows in how it presents itself.
Case: Beauty Exp., a clinic system on the web and on the phone
Scheduling, patients and treatment protocols for an aesthetics clinic, on the web, iOS and Android, with a day summary the clinic can ask questions to.
What is a brandbook, and what should be in one?
A brandbook is the short guide that keeps your business looking and sounding the same everywhere. Here is what belongs in it, what you can skip, and how to tell if you need one.
An AI assistant on WhatsApp for your business: what the rules allow in 2026
Meta allows AI assistants that answer for your own business on WhatsApp, charges per message, and US law requires consent before you text customers. A plain summary for business owners.
Fixed price or hourly? How to buy a website without surprises
A fixed-price website works when the scope, the date and the payment terms are written down. Here are the seven things to get in writing before you pay a deposit.
Is your website accessible? WCAG 2.2 AA in plain English
What WCAG 2.2 Level AA means for a small business website, how to test yours in ten minutes, and why accessibility overlays don't solve it.
Hiring a design and web studio in Brazil from the US: how it works
Time zones, language, contracts and payments when a US business hires a studio in São Paulo. São Paulo is one to two hours ahead of New York.
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