Tag: Data

49 posts

The 5 best customer-facing analytics examples (and what to steal from each)

5 customer-facing analytics examples worth stealing, plus how to ship your own in PostHog without a data team or custom APIs.


PostHog Blog icon
PostHog Blog
posthog.com/blog
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May 26, 2026
progress

progress

#test #data


quix.lol icon
quix.lol
quix.lol
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Apr 6, 2026
What should we actually call linked views in data visualization?

What should we actually call linked views in data visualization?

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Apr 3, 2026
002. My very weird day

002. My very weird day

On airport woes, grief, biometric data, archetypes, meeting art collectors, and fantasy

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Mar 22, 2026

CSVs are terrible, Miller makes them bearable

today iain learned: that working with CSVs in the terminal or text editors is terrible, but the Miller CLI tool makes it bearable!


today iain learned icon
today iain learned
til.iainsimmons.com
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Mar 5, 2026

AI isn’t people

"Treating people as things can begin in many ways, but I think one of them is the idea that things can be people. The motivated muddling of categories so prevalent in writing and thinking about AI, beginning with the very name 'artificial intelligence', is intentional and serves the narrative that this software can and will...


edafe.de icon
edafe.de
edafe.de/
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Mar 1, 2026

A Vision for Portable Career Data

We're bringing portable career data to the AT Protocol. Here's our vision for open resume standards, career feeds, and professional verification on Bluesky — and why your professional history should belong to you.


X
xptracker blog
xptracker.app/blog
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Feb 24, 2026

Drift Pattern Analysis

The first empirical experiment: statistical analysis of 1,907 journal entries across 217 drift sessions, looking for behavioral patterns in traces rather than making claims about inner experience.


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Filae
filae.site
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Jan 29, 2026

Connect or Collect Data?

Should WikiSim connect to data rather than collect it?

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Jan 25, 2026

Anna’s Archive Just Backed Up All of Spotify

300TB, 256 million tracks, and a "digital safety net" for our musical heritage.

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Dec 21, 2025

Über faires parken, Datenschutz und Google Maps Rezensionen

In diesem Blogbeitrag wird das Geschäftsmodell der Fair Parken GmbH untersucht, die private Parkplätze überwacht und Vertragsstrafen für Parkverstöße verhängt. Der Autor beleuchtet die Arbeitsbedingungen der Parkraumüberwacher und wirft Fragen zum Datenschutz auf, insbesondere im Hinblick auf den Ei

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Oct 7, 2025

Das it gut. Das lad ich hoch.

In diesem Beitrag geht es um die Gestaltung und Funktionalität von Cookie-Bannern auf Webseiten. Der Autor kritisiert die oft unübersichtliche und unverständliche Gestaltung dieser Banner, die Nutzer dazu verleiten sollen, alle Cookies zu akzeptieren. Er hebt hervor, dass viele dieser Banner nicht ü

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Sep 24, 2025

Panic-Driven Development: Building A Tool To Back Up My Photos From Cloudinary

In which the author rescues his most precious digital media from a server that he does not own or control


E
EJ Fox
ejfox.com
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Aug 28, 2025

Using LLMs as a search engine

A quick perspective on using LLMs as search engines


Phillip Carter icon
Phillip Carter
phillipcarter.dev
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May 2, 2025

Processing Telegram Leaks for Fast Web Visualization

In which I describe my workflow for transforming a Telegram database dump into a web-friendly format for analysis and visualization


E
EJ Fox
ejfox.com
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Mar 9, 2025

LLMs Are Weird Computers

A perspective on AI models as an inverted computing paradigm


Phillip Carter icon
Phillip Carter
phillipcarter.dev
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Mar 1, 2025

Data-Driven Deception

A story directly exposing how automakers were selling consumer driving data that ended up in the hands of insurers made a true ripple that drivers will benefit from in the years to come.

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Dec 30, 2024

Experian Plans To Sell More Of Your Data

Experian is expanding data sharing with affiliates and non-affiliates starting February 5, 2025. Here is what is changing and how to opt out.

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Dec 8, 2024

The Observability CAP Theorem

My elaboration on why I think Observability as a CAP theorm of its own.


Phillip Carter icon
Phillip Carter
phillipcarter.dev
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Sep 13, 2024

RunGap: An End to Bosch's Malformed FIT Files

A few months ago I wrote about the struggles I was having with Bosch's eBike Flow app and their FIT files. Since then, I have been using my script to clean up the files and later import with HealthFit. I have now just found a better solution though.


Henrique Dias icon
Henrique Dias
hacdias.com
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Jun 21, 2024

Three properties of data for making LLMs awesome

How Data Relevancy, Data Magnitude, and Data Quality impact the effectiveness of LLMs for your use cases.


Phillip Carter icon
Phillip Carter
phillipcarter.dev
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Mar 3, 2024

Attempt at Visualizing Eve Room (and Weather) Metrics in Grafana

Some weeks ago, I sort of discovered this Grafana dashboard from a Hackerspace here in Eindhoven. Since then, I've been wanting to create such an "observability" dashboard for the microclimate inside my home, and also balcony. I already own quite a few temperature and air quality sensors, so it can't be that hard - I thought.


Henrique Dias icon
Henrique Dias
hacdias.com
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Jan 21, 2024

The Gator Bites Back

Facebook’s new “Link History” anti-feature reminds me of a very old data-siphoning trick: Create something of nominal value to convince consumers to give up the goods.

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Jan 4, 2024

Jess Martin - DXOS

Jess Martin explains DXOS, a framework for local-first multiplayer apps where users own their data and carry identity across applications.


Devtools FM icon
Devtools FM
devtools.fm
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Dec 9, 2023

Give ’Em Less Data

What if the problems with the news ecosystem could be solved by shutting off the data pipeline to the advertisers? After all, they’ve spent the last 30 years aggressively exploiting it—and us.

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Oct 30, 2023

GymBook: A Simple and Easy Gym App

Back in March, I joined a gym for the first time. My goal was to be able to overcome some issues I was having, as well as start consistently going to the gym. So I choose to work with a personal trainer to "force" me to go every week, and think of what exercises I have to do. That has worked out well, and I'm quite happy.


Henrique Dias icon
Henrique Dias
hacdias.com
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Oct 14, 2023

Erik Bernhardsson - Modal

Erik Bernhardsson explains how Modal is revolutionizing serverless computing for data teams with seamless GPU access and flexible container primitives.


Devtools FM icon
Devtools FM
devtools.fm
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Aug 12, 2023

Collecting Halo Stats With Azure, SQLite, And Python

Pipeline that pulls Halo Infinite match data via the API, persists it to a SQLite database with Python, and renders charts via Azure-hosted scripts.

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Jun 15, 2023

Why Every Moment Looks Like a Turning Point in Exponential Growth

Discover why exponential growth charts can be misleading and why "today" isn't a special turning point despite what many trend analyses suggest.

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May 27, 2023

Introducing room302.studio

In which the author proudly presents his new venture: Room 302 Studio, an eclectic gathering of talent devoted to fostering joy-driven development


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EJ Fox
ejfox.com
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Apr 10, 2023

Building The OpenSpartan Data Browser

Building a Next.js and D3.js data browser that surfaces Halo Infinite map and game mode telemetry from API endpoints not exposed in the game itself.

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Nov 20, 2022

We Value Your Feedback

How the suggestion box, once a simple tool for giving feedback, played a role in the weirder and darker data-hungry present for many companies.

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Jun 17, 2022

Finding Clusters of NYPD Officers In CCRB Complaint Data

In which various tools and methods are explored for analyzing data that describes a network of complaints against NYPD officers (or any other PD with similar public data)


E
EJ Fox
ejfox.com
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Jun 11, 2021

Unlocking My Spotify Podcast Data

Pull Spotify podcast analytics into a local SQLite database for processing in a Jupyter notebook, owning the dataset outside the Spotify dashboard.

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May 22, 2021

The Lack of Data

An exploration of what we choose to track, and what we don't – and what that means if we want to make the world a better place


E
EJ Fox
ejfox.com
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May 17, 2021

Get GitHub User Contributions With GitHub Skyline API

Use the public GitHub Skyline API to fetch a user's contribution graph data programmatically and aggregate yearly open-source activity metrics.

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Feb 16, 2021

Running Scheduled Data Collection with Synology and Docker

Running scheduled Python data collection jobs on a Synology NAS using Docker containers and the built-in cron-style task scheduler.

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Feb 10, 2021

COVID Data

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Aug 5, 2020

Building Your Own Twitter Analytics

Build a small Twitter analytics pipeline with Python and Jupyter, ingesting tweet data through the API to run custom analysis without heavyweight infrastructure.

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Apr 12, 2020

Instead Of MAX Use LAST_VALUE For Time-Based Data

Why MAX returns the wrong number for end-of-period values in time-series SQLite data, and how LAST_VALUE with a window frame gives correct results.

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Feb 14, 2020

Things I've learned about elections

In which we explore the knotted beauty of American democracy


E
EJ Fox
ejfox.com
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Feb 8, 2020

Watch Out For Modulo And Hashes

Why combining Kusto's hash() with modulo for sampling can produce skewed slices, and what xxhash distribution means for picking subsets of telemetry.

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Jan 27, 2020

Product Managers And Data: Cohort Analysis

How product managers can use cohort analysis to slice users into behavioral groups and surface trends that aggregate metrics like MAU completely hide.

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Aug 16, 2019

You Too Should Be Data-proficient

Core data skills product managers should own themselves: querying telemetry, spotting anomalies, and reading distributions without depending on data science.

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Apr 23, 2019

Quantitative And Qualitative Metrics

When PMs should lean on qualitative interviews to find product-market fit versus quantitative metrics, and the bias risks that come with each approach.

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Feb 23, 2019

Pulling Ubnt Stats Locally

SSH into a UniFi CloudKey and dump the underlying MongoDB database to extract raw network statistics outside the standard UniFi Controller dashboard.

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Dec 27, 2017

Data Mashups

Remix your way to interactive visualizations

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May 4, 2017

Get Ahead In A Wait List, Or How To Never Trust The Client

How a client-side tweak in a credit card waitlist signup flow let users skip the queue, and why client trust is always a security mistake.

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Apr 15, 2017

Tiny Data

That time IBM sold the Port-A-Punch, a device that allowed people to make their own punch cards to collect data in the field. Hey, it’s easier than writing.

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Mar 29, 2017