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Datarella People – Helge F. Gruetjen, Boat Racer & Physicist
Cambridge PhD student Helge Gruetjen was a chain-smoker, weighting 120 kilograms, who started to row for the Cambridge University Boat Club in 2010 to become one of a team of five trying to beat the Oxford squad. He had set himself an "unrealistic goal": to lose more...
Datarella – Lessons Learned: Hire Slow – Fire Fast
A lot of entrepreneurs hire fast and fire slow. In particular when new coders are required to develop a software. A bias towards speed and quick growth drives many leaders to be quick to hire new personnel and strategic cooperation partners. Hiring fast is absolutely...
Datarella People – Michael Ricks, Self-Tracker, Investment Banker, Inventor
Here's the transcript of this Datarella (DR) interview with Michael Ricks, self-tracker, investment banker and inventor. DR Michael, you are an American living in Munich, Germany. Could you tell us a little about you? Michael Ok - so, what am I? A guy who is trying to...
Data Based Storytelling And The Real Customer Journey – or: What To Learn From Data Journalism
Know your customers and build an ongoing relationship between them and your brands by looking beyond a on-time meet-up caused by a marketing campaign! Highly engaged users become loyal customers, have higher LTVs and contribute more to your bottom line than the casual...
Datarella People – Florian Schumacher, QS Evangelist
Here's the transcript of this Datarella (DR) interview with Florian Schumacher, Founder QS Meetups, Germany. DR Florian Schumacher, you started the first Quantified Self QS Meetup in Germany. Could you introduce yourself and tell us about your QS approach? Florian...
How Big Data Changes Marketing
About 0.5% of big data collected is actually being analyzed and monetized. The "rest" ends up unused. 90% of all data ever created has been generated in the years 2012-2013, and 30% of it contains valuable information. During the last years, the amount of data has...
Quantified Self or Quantified Us – A Social Responsibility
Life logging, tracking, the Quantified Self, the Quantified Life - and now the Quantified Us? Do we need more or better expressions for this global trend which motivates people to change their behavior? Matthew Jordan and Nikki Pfarr from Artefact make their case for...
Crowdsourced environmental monitoring
Many parameters a smartphone accidentially measures are useful in monitoring the environment. We have recently discussed, how air pollution with particulate dust can be monitored with an easy ad on to the phone's camera. But there are even more subtle ways by which...
Big Data helping people to understand real-time pollution risks
From rapid urbanization in China to dung-fired stoves in New Delhi, air pollution claimed 7 million lives around the world in 2012, according to the World Health Organization. Globally, one out of every eight deaths is tied to dirty air - which makes air pollution the...
Tracking Lung Function with the Phone’s Microphone
Asthma is one of the most common chronical conditions. For many who are affected, it would be necessary to monitor their lung functions much more frequently than by visiting their doctor once or twice a year. Spirometers which measure the volume of air taken in and...
Socially Relevant Technology
If a technology wants to be respected it should demonstrate its social relevance. Then it will be approved by the people and its implications will be accepted. Otherwise it will be dead on arrival. Generally, there are two different sorts of people: tech lovers and...
Mapping particulate dust with phones
iSpex is a plastic contraption that can be clipped on top of a smartphone's camera. In this simple slit spectrograph light is defracted and polarized by shining through birefringent plastic sheets and a polarisation film. iSpex measures how aerosoles - microscopic or...