This is the first module of a 20-module course, offered free so you can assess the approach and the quality of instruction before enrolling.
The module is interactive throughout and takes approximately 10 minutes. Enrollment information for the full course is available via “Get the full course” in the header and at the end of the module.
Test your initial understanding
Before we begin, let's test your instinct. Answer honestly — we'll come back to this at the end and see how your thinking has sharpened.
A small coffee shop sells 300 cups a day. The owner prides herself on consistency — but no two lattes are ever truly identical. Some cups are a little fuller, some a little hotter, some take longer to make. Most customers never notice. Yet across a whole year, those small differences add up to wasted milk, wasted time, and the occasional complaint.
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0 of 7 concepts complete
7 concepts remaining
Test your initial understanding
Before we begin, let's test your instinct. Answer honestly — we'll come back to this at the end and see how your thinking has sharpened.
A small coffee shop sells 300 cups a day. The owner prides herself on consistency — but no two lattes are ever truly identical. Some cups are a little fuller, some a little hotter, some take longer to make. Most customers never notice. Yet across a whole year, those small differences add up to wasted milk, wasted time, and the occasional complaint.