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# Data-Driven Decision Making for Businesses
I watched a CEO spend $2 million on an expansion into a new market last year based on a PowerPoint with three pie charts. The data guy sitting next to him had actually built a model showing that the expansion would likely fail, but nobody asked him. When it inevitably tanked six months later, everyone acted surprised.
This happens more often than you'd think, even in 2026.
The problem isn't that businesses *ignore* data—it's that they don't actually know what to do with it. There's this romantic notion that if you just gather enough numbers, decisions will magically make themselves. They won't. Data is just the raw material. What matters is how you think about it.
The Visibility Problem Nobody Talks About
Most organizations are drowning in data but starving for insight. A Vietnamese logistics company I worked with had three years of shipment records—millions of data points. Their on-time delivery rate looked healthy at the dashboard level: 87%. Except when we dug into the actual details, we discovered that 23% of their deliveries to Ho Chi Minh City were systematically late, but this was being masked by excellent performance in Hanoi. They'd never noticed because nobody was asking the right questions.
This is where it gets real. You need someone asking questions that haven't been automated away. Your tools—Tableau, Power BI, Mixpanel, whatever—they're just showing you what you already thought to look for.
The companies that actually succeed with data-driven decisions are the ones that rotate their questions. They're not satisfied with last month's dashboard. They're asking: "What's the thing we're definitely NOT looking at?" or "What would make our assumption wrong?"
The False Precision Trap
Here's something they don't teach in MBA programs: numbers feel true. A report that says "Customer retention increased 12.3%" sounds more credible than "Customer retention got better." It's not. You've just moved a decimal point and created false precision.
I've seen companies make massive decisions off correlations that looked significant at first glance but disappeared the moment someone actually accounted for seasonality. Vietnamese e-commerce platforms especially struggle with this—the Tet holidays create such wild swings in behavior that if you don't explicitly factor that in, you'll see patterns that aren't really there.
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