Using AI I Subscribed to X Premium for Grok, and It Turned Out to Work in My Tesla Too
I signed up for X's paid plan mainly to get Grok. Around the same time, I was surprised to discover the same Grok had become available inside my Tesla too. Here's everything I found out, from choosing a plan to actually using it in the car.
Using AI A simple way to turn verbal family plans into Google Calendar events with AI
I'll share how I turn plans I hear through family LINE chats or conversations, like 'next month's sports day starts at 9am on 10/25,' into a Google Calendar link just by telling an AI. No scanning, no app install needed.
Marketing The three elements 1:1 marketing needs, revisited for the AI era
A long-standing framework breaks down what personalization needs into three elements — data, content, and logic. Let's revisit it, along with what's changed now that generative AI is in the picture.
Marketing Thinking Again About the Job Title "Product Manager"
The job title product manager has come up on tech podcasts lately, which got me thinking about how it differs from roles that have existed for a long time.
Marketing I think the real point of CRM is avoiding "bad revenue"
CRM and customer loyalty are terms that stretch from vague mindset talk to concrete tactics, so the definition tends to blur. Let's think it through again from the angle of "not creating bad revenue."
Marketing Cart abandonment, win-back campaigns... sorting out the classic scenarios in email marketing
A rundown of the classic behavior-triggered email patterns commonly used by e-commerce sites and apps.
Marketing The better the ad, the less it looks like one
A paradox I keep running into in advertising and promotions work: the better an ad is, the less it looks like an ad. Here's a look at why that happens.
Marketing "The Science of Advertising": Why Marketing Mix Modeling Is Back in the Spotlight
The idea of measuring advertising effectiveness through modeling — known as Marketing Mix Modeling — has been getting renewed attention over the past few years. Here's a rundown of what's changed.
Marketing What Data Analysis Work Really Needs Isn't Expertise, It's the Ability to Translate
After many years in data analysis and web analytics, here's what I've come to believe this job is really asking of us.
Marketing What Reading "Competing on Analytics" Taught Me About Data-Driven Management
Why do companies that make decisions by the numbers stay strong for so long? Introducing a book from my marketing career that still shapes how I think today.
Using AI How I Have AI Build Me a One-Page 'Today's Briefing' While I Get Ready in the Morning
I built a system that has AI pull together my schedule, email, and chat messages into a single briefing I can glance at while getting ready. Here's how I gather the information and keep the layout from breaking, in enough detail that you could build it yourself.
Using AI How I Have AI Automatically Check My Card Spending Every Night — and Flag Only the 'Expenses Worth Discussing'
I built a system that has AI automatically tally up each day's card spending and notify me only when a purchase crosses a threshold I set in advance, flagged as an 'expense worth discussing.' Here's a full implementation walkthrough, including the formula for judging sync delays and the design behind capping API calls.
Using AI How I Have AI Auto-Generate My Preschooler's Hiragana Drills, Timed to a Forgetting Curve
I built a system that has AI auto-generate hiragana practice sheets for my preschooler, timed to a forgetting curve so review happens right when it's needed. I'll walk through the question pool structure and the scoring data model in enough detail that you could build it yourself.
Using AI How I Batch-Scan My Kids' Worksheets and Let AI Sort Them Out Automatically
I built a system that scans worksheets from multiple kids all at once and has AI automatically sort them by child and by subject. Here's the actual code and scoring rules, in enough detail that you could reproduce it yourself.
Using AI I had AI check my household finances every morning, and small daily fixes started adding up
Using Claude and an integration with the accounting app freee, I built a setup that automatically reviews my card spending every morning and evening and gives me exactly one improvement suggestion. Here's the actual tool setup and how it's worked out.