Kevin McDonald

Breaking gRPC How to avoid breaking gRPC clients.

🪧 Breaking gRPC: How to avoid breaking gRPC clients.
https://kmcd.dev/posts/breaking-grpc/
#protobuf #grpc #api

Illustration of telegraph operators

Screenshot of morse.kmcd.dev

Map of the Internet

🪧 Morse Code: Explore the history of Morse code, from its dits and dahs to the first transatlantic cable. Discover how this elegant system was the original binary and test your own skills with an interactive speed typer.
https://kmcd.dev/posts/morse/
#morse-code... https://kmcd.dev/posts/morse/

26000Hz Phreaker emulator

🪧 Can You Hack a Phone with Your Voice?: Or How I Got Thousands of Mastodon Users to Whistle at Their Screens
https://kmcd.dev/posts/can-you-hack-a-phone-with-your-voice/
#hacking #history #mastodon #phreaking

We're gonna need a bigger Hague

Phone Phreak Emulator Test your phreaking skills by hacking this phone line.

Whistle 2600Hz like old-school phone phreaks! Before the internet, a simple 2600Hz tone hacked telephone systems. Test your vocal chops on my web app to see if you've got what it takes to be a cool retro hacker:

phreak.kmcd.dev

#phreaking #2600Hz #bluebox #RetroComputing #hacker #infosec #Tech

It's Tuesday! Time for your daily dose of Normal wordy goodness.

🇩 🇷 🇮 🇹
🇹 🇨 🇩 🇪
🇳 🇹 🇷 🇮

Find the words: wordseq.com/daily/normal...
#WordGames #BrainTeaser

Ready for a Monday Hard word hunt? 🕵️‍♀️

🇹 🇴 🇭 🇰
🇬 🇦 🇪 🇲
🇦 🇲 🇲 🇬
🇪 🇭 🇹 🇼

Find them all: wordseq.com/daily/hard/2...
#WordDetective #PuzzleGrid

Visualizing the Internet (2025) An all-new interactive map of the Internet, showing the evolution of undersea cables and internet exchanges with year-by-year animation and detailed statistics.

Blog post detailing the story behind this map: kmcd.dev/posts/intern...

Map of the Internet

Map of the Internet

Map of the Internet

🪧 Visualizing the Internet (2025): An all-new interactive map of the Internet, showing the evolution of undersea cables and internet exchanges with year-by-year animation and detailed statistics.
https://kmcd.dev/posts/internet-map-2025/
#dataviz #in... https://kmcd.dev/posts/internet-map-2025/

Internet Infrastructure Map Explore the physical backbone of the internet with our interactive map of undersea fiber optic cables, peering exchange points, and more.

Here's the latest iteration of the internet infrastructure map. This time it's an interactive map instead of a giant SVG.

map.kmcd.dev

I'll be dropping a blog post talking more about this tomorrow. You all get a bit of a sneak peek today!

#internet #infrastructure #dataviz

New day, new Hard puzzle! Today is Sunday.

🇱 🇩 🇮 🇪
🇸 🇪 🇩 🇨
🇮 🇬 🇮 🇹
🇭 🇪 🇹 🇭

Give it a try: wordseq.com/daily/hard/2...
#dailywordsec #PuzzleFun

Let the Saturday Hard wordsec games begin!

🇮 🇪 🇴 🇹
🇸 🇩 🇪 🇺
🇫 🇪 🇪 🇳
🇹 🇱 🇵 🇭

Test your vocabulary: wordseq.com/daily/hard/2...
#VocabularyGame #PuzzleMaster

Here's your Friday Normal mental workout! 💪

🇺 🇸 🇪 🇱
🇪 🇭 🇪 🇷
🇩 🇪 🇦 🇬

Solve and share: wordseq.com/daily/normal...
#BrainGames #WordWizard

GCP and Cloudflare having outages at the same time is pretty scary.

Ready for a Thursday Normal word hunt? 🕵️‍♀️

🇱 🇲 🇩 🇹
🇧 🇪 🇹 🇹
🇪 🇪 🇳 🇸

Find them all: wordseq.com/daily/normal...
#WordDetective #PuzzleGrid

That moment when you realize that you have a giant warehouse full of graphics cards backing you up when coding. This might be the weirdest timeline.

The Wednesday Hard wordsec is waiting for you.

🇹 🇫 🇦 🇨
🇭 🇪 🇮 🇩
🇴 🇲 🇻 🇾
🇦 🇳 🇻 🇷

Don't miss out: wordseq.com/daily/hard/2...
#WordPuzzleChallenge #PlayNow

Fresh off the press: Your Tuesday Hard wordsec grid!

🇭 🇸 🇱 🇴
🇹 🇮 🇸 🇩
🇰 🇹 🇪 🇧
🇦 🇷 🇷 🇭

Dive in: wordseq.com/daily/hard/2...
#FreshPuzzle #WordPlayground

Got a minute? Try the Monday Hard wordsec puzzle!

🇺 🇪 🇪 🇦
🇮 🇮 🇩 🇹
🇸 🇭 🇪 🇮
🇪 🇫 🇪 🇩

Quick brain teaser: wordseq.com/daily/hard/2...
#QuickPuzzle #WordGameFun

Mise en Place has been a really amazing tool for synchronizing versions of different dev tools. It has become a default for every personal project of mine. Tool version differences between devs and CI are basically a thing of the past now.

https://mise.jdx.dev

Happy Sunday! Let's get this Normal wordsec party started.

🇸 🇴 🇳 🇵
🇭 🇳 🇦 🇩
🇱 🇳 🇴 🇨

Join the fun: wordseq.com/daily/normal...
#PuzzleParty #DailyGame

Your Saturday Hard dose of delightful distraction is here.

🇪 🇴 🇮 🇹
🇸 🇸 🇭 🇭
🇭 🇫 🇳 🇧
🇷 🇹 🇹 🇴

Enjoy the puzzle: wordseq.com/daily/hard/2...
#wordsecdaily #BrainFood

Sharpen your focus this Friday with our Hard wordsec!

🇫 🇮 🇭 🇩
🇴 🇺 🇷 🇹
🇩 🇹 🇹 🇦
🇳 🇻 🇨 🇮

Play here: wordseq.com/daily/hard/2...
#FocusGame #WordChallenge

New day, new Hard puzzle! Today is Thursday.

🇴 🇪 🇪 🇻
🇮 🇹 🇭 🇹
🇦 🇹 🇦 🇦
🇭 🇬 🇮 🇸

Give it a try: wordseq.com/daily/hard/2...
#dailywordsec #PuzzleFun

Start your Thursday with a Hard wordsec! ✨

🇴 🇪 🇪 🇻
🇮 🇹 🇭 🇹
🇦 🇹 🇦 🇦
🇭 🇬 🇮 🇸

Tap to play: wordseq.com/daily/hard/2...
#PuzzleLover #DailyWordPuzzle

The Wednesday Hard wordsec puzzle has arrived! Can you spot all the sequences?

🇮 🇦 🇴 🇮
🇦 🇹 🇰 🇵
🇴 🇸 🇳 🇮
🇪 🇫 🇹 🇪

Challenge accepted: wordseq.com/daily/hard/2...
#WordFun #GameTime

HTTP QUERY and Go We need another HTTP verb. I'll explain why.

🪧 HTTP QUERY and Go: We need another HTTP verb. I'll explain why.
https://kmcd.dev/posts/http-query/
#http #protocols #api #webdev #go

Happy Wednesday! Here's today's Normal wordsec puzzle grid:

🇹 🇫 🇷 🇷
🇳 🇮 🇪 🇨
🇷 🇸 🇩 🇹

Solve it here: wordseq.com/daily/normal...
#wordsec #DailyPuzzle #WordGame

Ready for a Tuesday Normal word hunt? 🕵️‍♀️

🇮 🇮 🇩 🇩
🇭 🇦 🇸 🇸
🇪 🇱 🇪 🇮

Find them all: wordseq.com/daily/normal...
#WordDetective #PuzzleGrid