Field notes
Notes from churn desks and usage briefings
Short pieces on how we read prepaid silence, build festival calendars, and hand packs to managers who still prefer paper.
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Reading prepaid churn signals before a SIM goes quiet
How southern Vietnam prepaid desks can spot early silence in recharge and data sessions without waiting for a formal disconnect.
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Building usage calendars ahead of Tet traffic
A practical way to lay festival peaks beside ordinary weekdays so maintenance and retail promotions stop colliding.
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Cohort notes from student SIM moves between dorm and hometown
What rainy-season dips look like when students carry two SIMs and rotate recharge habits with the academic calendar.
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Handing visual packs to field managers without drowning them
Lessons from briefings where dense charts stalled the room—and how a quieter paper-first layout kept the meeting moving.