Roel Wieringa – Medium

Roel Wieringa

Digital advertising extracts data from consumers and money from advertisers. Here is how to fix it.

The digital advertising ecosystem has engendered a global surveillance industry that violates privacy on a large scale and contains a few…

5 min readSep 9, 2023

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Digital advertising extracts data from consumers and money from advertisers. Here is how to fix it.

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Roel Wieringa

Twitter offers immediate gratification at unsustainable costs

Elon Musk’s messing around with Twitter is an illustration of what is wrong and unsustainable about the modern economy. We may be…

6 min readNov 24, 2022

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Twitter offers immediate gratification at unsustainable costs

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Roel Wieringa

Business Models for Universal Social Media

Imagine that all social media would interconnect just as telecommunication providers do. What would this mean for the business models of…

8 min readJul 4, 2022

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Business Models for Universal Social Media

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Roel Wieringa

AI Systems Are Imperfect. Use Them With Care. — The Value Engineers

Spoiler: AI decisions must be regulated because they can be used to make moral decisions on a massive scale, and this allows massive…

8 min readJun 6, 2021

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AI Systems Are Imperfect. Use Them With Care. — The Value Engineers

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Roel Wieringa

To Compete, Social Networks Must Be Interoperable

To break the monopoly of social networks, they need to be interoperable so that users can move from one social network to another easily…

7 min readDec 21, 2020

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To Compete, Social Networks Must Be Interoperable

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Roel Wieringa

The Twitter business model

Twitter is one of the smallest social networks in terms of daily active users (152 M) and revenue (US$ 3.5B in 2019). Compare this with…

5 min readOct 23, 2020

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The Twitter business model

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Roel Wieringa

iOS14: It’s the Ecosystem, Stupid — The Value Engineers

This fall, Apple will release its iOS14 operating system. Or more accurately, it will release its iOS14 ecosystem. Previews of the update…

5 min readSep 17, 2020

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iOS14: It’s the Ecosystem, Stupid — The Value Engineers

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Roel Wieringa

Targeted Political Advertising is Undemocratic

Computer Weekly recently reported that the UK’s three political parties are collecting personal data on voters for targeted political…

5 min readJul 13, 2020

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Targeted Political Advertising is Undemocratic

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Roel Wieringa

The Credit Card Business Model

Credit cards have reduced friction in commerce by creating the possibility to buy now and pay later. However, there is no free lunch and…

7 min readJul 6, 2020

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The Credit Card Business Model

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Roel Wieringa

A business model of the Facebook ecosystem — The Value Engineers

Facebook is a platform on which users can distribute content, play games and organize information, publishers can broadcast content, and…

7 min readJun 5, 2020

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A business model of the Facebook ecosystem — The Value Engineers

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Roel Wieringa

Roel Wieringa

Professor emeritus Information Systems, University of Twente, The Netherlands. Co-founder and Director, The Value Engineers (www.thevalueengineers.nl).

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