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A data science case study on the business of Halloween. Walmart and wholesale data from Hugging Face show when stock is bought, when shoppers buy, and how much a store should order when it can't know, with the full notebook to run yourself.
Washington and some of tech's biggest names now say Super Intelligence. But AI is built into product names, chips, and certification badges on everything from phones to washers. Companies can't rename that overnight. SI will arrive with the next generation of products.
Most corporate ad dollars now chase people on their phones. I approach them face to face on the floor at Home Depot. A data-backed look at digital ad spend, what it actually buys, and why in-person selling is the harder, grittier game that still works.
AI feels weightless, but it runs on buildings full of servers that draw power and water. A look at the evidence on electricity bills, emissions, water, jobs, and taxes, and why more than a dozen Florida communities have paused data centers in 2026.
National average gas prices reached $3.84 a gallon, a 32% increase in one month. A normalized comparison of Brent crude and major oil producers shows what markets may be pricing in.
CRISP-DM is the closest thing data analytics has to a universal playbook. Here's what the six phases actually mean in practice — and why I keep coming back to it.
Analytics engineer turning fragmented tidbits into confidence: messy data structured, patterns caught early, answers made plain with AI.
Copyright 2026 Christopher A. Rotunno. All Rights Reserved
