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This is the bilingual post in English and Vietnamese. Vietnamese is below.

Đây là bài viết song ngữ Anh-Việt. Tiếng Việt ở bên dưới.

English

A story about a system, and the question of why software does not cut inventory by itself

In late September 2026, the consumer goods company Clorox announced it was migrating its US supply chain to a new enterprise resource planning system, commonly abbreviated as ERP, expecting more efficient planning and lower inventory levels. Read quickly, this is a technology story, a large corporation swapping software. But pausing a moment, there is a question worth every businessperson considering: why does software, however expensive and modern, not by itself reduce inventory. Software only records, computes, and displays data. What truly determines the inventory level are the decisions people make based on that data: how much to buy, how much to produce, for each item, at each point in time.

What is notable is that the expectation Clorox set, more efficient planning and lower inventory, is not a feature of software but the result of a disciplined decision-making process. A business can install the best system in the world, but if the sales department forecasts one way, production plans another way, and finance calculates by a third set of numbers, inventory stays high and the plan stays misaligned. Conversely, a small business with only a spreadsheet but a good coordination process can still keep inventory lean and serve customers steadily. Software is the tool, but the process is what produces the result.

That process has a standard name in operations management: Sales and Operations Planning, abbreviated in English as S&OP. In essence, it is not a piece of software but a periodic decision-making rhythm in which the sales, marketing, production, supply, and finance functions sit down together, reconcile demand forecasts with supply capability, and agree on a common plan for the months ahead. It sounds simple, but the very act of getting functions with different objectives to commit to a single set of numbers is one of the hardest and most valuable things in management.

This article takes Clorox’s system change as its point of departure, but its destination is not technology. Its destination is understanding why synchronizing supply and demand through a disciplined process is the key to cutting inventory and raising service quality, and why this principle applies to an eatery, a repair shop, a software company, or a small store, not only to corporations. We will move from the nature of the tool, to its operating cycle, to how it balances supply and demand, and finally to how to begin at the smallest scale while still gaining most of the benefit.