Mark Striebeck

Leading Siri platform teams @ Apple

[Parth Rastogi @theparthrastogi]

Look at the generational difference -

1990s:

• Get a university degree
• Get a 9–5 job
• Suit and tie
• Get promoted
• Get married at 21
• Buy a house at 25
• 4 kids, 1 dog
• Retire at 60

2026:

• Survive… Show more

[Mark Striebeck @StriebeckMark]

Canada isn’t just a neighbor; they are the "Carney in the Coal Mine." 🇨🇦📉

Under PM Mark Carney, Canada is "de-risking" from the U.S. and the numbers are devastating for American industry. 🧵👇

1/ DEFENSE: Canada is ditching the $19B F-35 deal (Texas) for the Swedish Saab Gripen. 🇸🇪 📍 The Loss: Thousands of jobs in Ft. Worth. 📍 The Shift: 12,600 jobs moving to Canada/Sweden instead of the U.S.

2/ AUTO: Canada just opened the door to China. 🇨🇳 🚗 The Deal: 49k Chinese EVs at a 6.1% tariff. 📍 The Loss: $2.1 Billion/year in exports for Michigan & Ohio. Detroit is losing its #1 customer to BYD.

3/ TRANSIT: The "Sovereign Corridor" is live. 🚢 📍 The Loss: $700 Million/year in lost port and rail fees. Canada is rerouting its grain and goods to bypass U.S. docks to avoid "tariff shenanigans."

4/ AGRICULTURE:🇨🇦 Canada lowered EV tariffs for China. 🇨🇳 China dropped tariffs on Canadian Canola ($4B market). 🇺🇸 Result? Canada’s farmers are winning while U.S. growers stay locked behind a trade wall.

The Bigger Picture:"Transactional" diplomacy works until your customers find a new shop. If Canada is pivoting, what are Germany, Japan, and the UK doing? We’re watching the slow-motion exit of our biggest allies.

#TrumpTariffs #CarneyInTheCoalMine #USPolitics #TradeWar2026

[Mark Striebeck @StriebeckMark]

@BenShapiroShow I loved the show. I always love it when podcasters sit with people that they DON'T agree with. So much more interesting.
... and so good to see that people can disagree without insulting or yelling at each other.

[Mark Striebeck @StriebeckMark]

“MAGA” foreign policy was supposed to be simple:
America First. No nation-building. No moral crusades.
Now we invade Venezuela and suddenly it’s
“So you’d rather they keep suffering?”

That’s not principle.
That’s hypocrisy with a flag emoji.

[Mark Striebeck @StriebeckMark]

Watched "her" last night for the first time since it came out more than 10 years ago. I do remember that I thought at the time that we will be so many years away from anything even close to that.

But here we are with AirPods, Siri and LLM Chatbots. And it turns out that Spike Jonze got it exactly right.

https://t.co/kiL8QWhZxN

[Mark Striebeck @StriebeckMark]

I was just considering to re-subscribe to YouTube TV. But ... $82.99 ???!!! Seriously?

[Mark Striebeck @StriebeckMark]

The new US foreign policy may have been cold—but it was coherent: don’t police the world, intervene only for clear US interests.

Bombing Nigeria because Christians are being killed blows that up.

If force depends on who suffers rather than strategic threat, there’s no limiting principle. That’s not realism. It’s impulse dressed up as policy.

[Mark Striebeck @StriebeckMark]

Wait! What? I thought tariffs won't increase prices!!! How can they then help to lower prices??? I'm confused...
https://t.co/D4Vwivv8Uc

[Mark Striebeck @StriebeckMark]

"Rookie numbers"

... says the guy who doesn't have a single Robo Taxi anywhere.

[Mark Striebeck @StriebeckMark]

@CalcyIVApp I just completely reinstalled. But still the same. See this screenshot

[Mark Striebeck @StriebeckMark]

@CalcyIVApp I started to see A LOT of cases where CalcyIV doesn't recognize the Pokemon. And by a lot, I mean 10+%. Is this a known issue?

[Mark Striebeck @StriebeckMark]

The arrogance of these guys is off the charts.
... and always remember that these guys are still paid during the shutdown.
https://t.co/tWPMLbwKzY

[Mark Striebeck @StriebeckMark]

@CalcyIVApp No. It���s completely across the board.

[Mark Striebeck @StriebeckMark]

I love design docs — but my AI agents kept building exactly what I described… not what I wanted.

Going back to Agile basics fixed it:
✅ User stories
✅ Acceptance tests
Turns out, even coding agents need clear definitions of done.
https://t.co/K7hzefzzy3

#AgileDevelopment #UserStories #AI #AgenticWorkflows

@unclebobmartin , @KentBeck , @jeffpatton , @jeffsutherland , @unclebobmartin , @samnewman , @paul_hammant - how about you guys?

[Mark Striebeck @StriebeckMark]

Coding with AI agents isn’t about letting them run wild — it’s about giving them guardrails.

Pre-commit hooks.
No --no-verify.
Small commits.
Integration tests.
It’s pair programming — with a jet engine.
🚧 Read: Guardrails for Coding with Agents
🔗https://t.co/0aAguejWSu

#AIProgramming #CodingAgents #CodeQuality #DeveloperProductivity

[Mark Striebeck @StriebeckMark]

How do you interview for agentic coding skills?

Let candidates drive a coding agent?

Ask how they validate code+tests (since both could be wrong)?

Check if they can debug/optimize with prompts?

If you’re not testing for this yet, you’re probably doing it wrong.

[Mark Striebeck @StriebeckMark]

@elonmusk Reported rapes per 100,000 citizens:
US: 41.4
Germany: 15.5
If you care about rapes - start here!

[Mark Striebeck @StriebeckMark]

I tried a new multi-agent workflow for coding & design.

Instead of 1 LLM, I use 4 agents:
⚡ Fast Iterating Developer
✅ Test-Conscious Developer
🎯 Senior Engineer
📐 Architect
They produce design docs, conflict reviews & PR replies — and I stay in charge by giving feedback at key checkpoints.
Full write-up 👉 https://t.co/IoqSg05lw0

[Mark Striebeck @StriebeckMark]

"Election Rigging Response Act"

Seems as if some Democrats finally awake and figure out how to fight back. How encouraging.

Full disclosure I am absolutely against gerrymandering - it's one of the biggest flaw of the American election system. But I like how this bill is so tightly tied to the blatant attempt by Texas to rig the midterms.

[Mark Striebeck @StriebeckMark]

Based on some article, I asked Grok, ChatGPT, Gemini and Claude "generate a map of Europe with each country named". All of them are hilarious - with the exception of ChatGPT - it's only mildly amusing :-)