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GS1 – the barcode, the GTIN and the numbers behind every item

What do the numbers in a barcode mean? A walk through the GS1 standards – how a GTIN is built up, how the check digit is calculated, what the prefix actually says about country of origin, the keys beyond GTIN, and the move to 2D codes towards 2027.

About 21 min 20 September 2026
Spørretimen Explained Learn something new Work & business
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Cabotage – the rules for foreign lorries in Norway

What cabotage is, and which rules apply to foreign lorries in Norway: three operations in seven days, the four-day cooling-off period, the documentation requirement, the rules for buses – and why the arrangement exists.

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Counting 160,000 items – the bachelor thesis on RFID

An annual stock count that takes two to three months with two full-time equivalents. Can RFID cut it? This is my bachelor thesis from 2020 – the warehouse in numbers, what the pilot test actually showed, why tags on metal stopped answering, and what we could not answer.

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Spørretimen Explained Books explained Economics
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How to build wealth without selling your time

Investor Naval Ravikant's thinking on wealth, leverage and happiness, compiled by Eric Jorgenson. A walk through the ideas – specific knowledge, accountability, the four kinds of leverage – and what is problematic about reading success backwards.

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Incoterms 2020 – who carries the risk, and where

What do FOB, CIF, DAP and DDP actually mean – and where does the risk really pass? A walk through all eleven Incoterms 2020 rules, the split between risk and cost, what changed from 2010, and the most common mistakes in practice.

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Lean – value, waste and the system Toyota built

What is lean, really? A walk through the system Toyota built – value and waste, the seven wastes, the five principles, kanban and just-in-time, kaizen and PDCA – and through the criticism about redundancies, fragile supply chains and work pressure.

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RFID – chips with no battery, read at a distance

How can a chip with no battery be read several metres away? A walk through RFID – the three parts, the frequency bands, passive and active tags, how it differs from a barcode, why metal and liquid ruin things, and why the technology did not take over everything after all.

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Why ERP–WMS integrations fail – the master's thesis

Two systems that have to talk to each other, and a project that often does not go to plan. This is my master's thesis from 2025 – what 22 practitioners and four consultants report as the causes of ERP–WMS integration failure, which measures they think work, and why the biggest number is not a technical one.

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Spørretimen Explained Books explained Work & business
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Why some people inspire and others merely inform

Why do some people and companies manage to inspire, while others merely inform? A walk through the ideas in Simon Sinek's Start With Why – the golden circle, manipulation versus inspiration – and an honest look at the reasoning behind it.

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Sturla on life as an artist and the business around it

With Sturla Fagerli Larsen · Artist and songwriter

Sturla has been on X Factor, Idol, The Voice and Melodi Grand Prix, and had a record deal with Sony. A conversation about life as an artist and the business behind it – from television competitions to royalties and booking your own concerts.

About 1 h 33 min 24 August 2026

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