January 11, 2021

Days 2021

Online tool to keep track of one thing you want to do every day in 2020. Data is stored in your browser

February 8, 2020

Personal computing with a serverless and multi-cloud infrastructure

Back in 2015, I wrote a short note about my new technology setup [hello-world]. Here is a summary of the changes since then. Infrastructure and hosting: Cloudflare as primary proxy/protection/cache, I previously used Nginx on my server as a proxy. Cloudflare workers for static sites. Cloudflare’s low-latency workers (cold start 5 ms) using javascript/wasm distributed via CDN. Key-Value storage for static assets. Google Cloud Functions for minor functionality. The latency of cloud functions can be high with high cold starts (Often 1 second or more), and their model for scalability allows for less in-memory optimization. Read more

March 18, 2018

Passive linking to social media

Embedding scripts from social media sites have implications in that it will result in profiling users who visit your site. Although marketing based on a user profile is mostly considered harmless, however, it has to be done with some degree of awareness by the site owner. In an age where machine learning is often unsupervised in marketing, we need to be aware of methods to mitigate the potential for harm. Read more

February 20, 2017

Voice calls in decline

Data from Statistics showing outgoing calls using mobile and land line shows that mobile has to a large extent replaced landline use and up until 2010 increased usage overall. Since 2010, however, total usage has been in decline A likely cause is the massive growth of smartphone sales in the same period, offering more methods of communication such as email, WhatsApp, and Facebook. Source: https://www.statista.com/statistics/461759/landline-vs-mobile-outgoing-call-minutes-germany/

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