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Simon Ziegler

@simonziegler.bsky.social
703 followers 1.1K following 3.1K posts

Ex investment banker, now in tech. Politically centre/left. Dad to the most wonderful man and woman on the planet.

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Simon Ziegler @simonziegler.bsky.social · 28/09/2026
I’m not saying that the markets aren’t a hit bubbly, but this isn’t a like for like comparison: 1. Price earnings ratios for the concentrated tech cos are good, whereas say in the DotCom bubble they were non existent. 2. Railroads really were 1 industry. The tech cos are super diverse.
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Simon Ziegler @simonziegler.bsky.social · 28/09/2026
Watching Finding Britain's Slave Traders with @davidolusoga.bsky.social. My mother's family are Sephardic Jews, arriving in England from 1665. I looked up the Sephardic community and it's certain that somehow I descend from investors in the Royal African Company. It's chilling.
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Simon Ziegler @simonziegler.bsky.social · 27/09/2026
I studied Electrical Engineering graduating nearly 40 years ago. It added a year and a Masters because we studied a little marketing, sociology, business, accounting and did a series of group projects spanning 3 years. It changed my outlook immeasurably for the better.
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Simon Ziegler @simonziegler.bsky.social · 25/09/2026
What a barnstorming thread from @ruthdeyermond.bsky.social, coming from intimate knowledge. I lived through this and certainly couldn’t write this. It would be good for journalists who claim to have answers to actually know their history. Ahistorical, overtly political narratives are unforgivable.
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Simon Ziegler @simonziegler.bsky.social · 25/09/2026
This the the most wholesome post and set of comments.
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Simon Ziegler @simonziegler.bsky.social · 24/09/2026
Post(s) of the day 👏👏👏
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Simon Ziegler @simonziegler.bsky.social · 24/09/2026
A family member for an MRI scan result from the hospital on the NHS App. It was left to a physio to interpret it and they were dismissive in a way that indicated they were lost. So I fed the obtuse result into Claude and asked for a short PDF with diagrams that it had to check and not hallucinate.
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Simon Ziegler @simonziegler.bsky.social · 24/09/2026
It feels to me like it’s to appeal to a domestic UK audience, trying to move the lever towards rejoin. Given that at best the proposals feel like the sort of crap you throw into a negotiation to be sacrificially negotiated away to protect what you actually care about…
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Simon Ziegler @simonziegler.bsky.social · 23/09/2026
I wish I could dismantle the idea of national ethnicity like this.
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Simon Ziegler @simonziegler.bsky.social · 21/09/2026
Thinking of the brave police officer.
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Nadine Batchelor-Hunt @nadinebh.bsky.social · 10/09/2026
“There is no basis to the govt’s response that the decision to impose sanctions against Jewish terrorists is an expression of antisemitism.” Signees include: Ehud Olmert, former Israeli PM Dan Halutz, former IDF and IAF chief David Harel, president of the Israel Academy of Sciences and Humanities
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Dare Obasanjo @carnage4life.bsky.social · 21/09/2026
These are the AI risks we should be worried about and legislating against not freaking out over whether some poorly sandboxed security test leads to Skynet.
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Richard Corbett CBE @richardcorbett.bsky.social · 21/09/2026
Even more important than the current figure is the TREND - the numbers wanting Britain to rejoin the EU have been rising slowly but steadily. It’s relentless.
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Simon Ziegler @simonziegler.bsky.social · 21/09/2026
This is a really important thing to understand about the risk of frontier models cloning themselves. Say the frontier model is an elephant. Your phone, computer, TV etc is a matchbox and you can’t stuff elephants into matchboxes.
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Josh Marshall @joshtpm.bsky.social · 20/09/2026
This whole slew of twitter spats is an apt illustration of the current environment. It started with a link I posted without comment from the Times of Israel which discussed a poll of American Jews. The poll had a number of findings but the headlines focused on the data point …
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Simon Ziegler @simonziegler.bsky.social · 20/09/2026
What a total scumbag. And how tragic that he got away with it for so long.
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Simon Ziegler @simonziegler.bsky.social · 19/09/2026
100% correct
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Simon Ziegler @simonziegler.bsky.social · 19/09/2026
Great job by the European Movement and thanks for posting @mikegalsworthy.bsky.social
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Simon Ziegler @simonziegler.bsky.social · 19/09/2026
“Paw Patrol” Post of the day 👏👏👏
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Simon Ziegler @simonziegler.bsky.social · 19/09/2026
Im going londonwebstandards.org/events/lws-o...
londonwebstandards.org
Meet Open Web Advocacy | London Web Standards
Meet the contributors from Open Web Advocacy, there will be a few talks by their members giving updates on the work they are doing to help make the web a better place for all.
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Simon Ziegler @simonziegler.bsky.social · 17/09/2026
This makes the UK, struggling with our absurd choice of Brexit look so flat-footed. We should have been in there not so much welcoming Canada, but reeling them in as hard as we can.
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Simon Ziegler @simonziegler.bsky.social · 15/09/2026
Currently at #IwsSept2026
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Simon Ziegler @simonziegler.bsky.social · 15/09/2026
Opinion: Putin's submarines have the UK surrounded. This is what could stop them apple.news/AbI8cGOQEQPS...
apple.news
Putin's submarines have the UK surrounded. This is what could stop them — The i Paper
Russia operates one of the largest submarine fleets in the world – and it has grown steadily more active in the seas around us
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Simon Ziegler @simonziegler.bsky.social · 14/09/2026
Let’s set aside what we think of “tech oligarchs” or “CEOs”, Dario Amodei’s essay is exceedingly well written. Reading between the lines is important. We argue here largely based on guesses and preconceptions of AI capability, this guy actually knows. darioamodei.com/post/we-must...
darioamodei.com
Dario Amodei — We Must Pace the Frontier
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Simon Ziegler @simonziegler.bsky.social · 13/09/2026
Well put
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Simon Ziegler @simonziegler.bsky.social · 13/09/2026
One of the clearest graphics of our time. There’s a super simple conclusion. Continue the race to decarbonise. Net Zero is an environmental, societal and geopolitical imperative. No ifs, no buts.
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Simon Ziegler @simonziegler.bsky.social · 12/09/2026
I signed. RNLI are the best of British. Dedicated to saving lives; all lives.
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Simon Ziegler @simonziegler.bsky.social · 12/09/2026
Post of the day 👏👏👏
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Serene Doomer @serenaribena.bsky.social · 12/09/2026
'‘There are no easy answers here’: New study forecasts a dire dip in food production if key Atlantic currents collapse. …the system is currently the weakest it’s been in >1,000 years, having lost 10% to 20% of its strength due to climate change, estimates show.' www.livescience.com/planet-earth...
livescience.com
'There are no easy answers here': New study forecasts a dire dip in food production if key Atlantic currents collapse
Researchers have examined how weakening currents in the Atlantic Ocean could impact global agriculture — and the results are concerning.
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Simon Ziegler @simonziegler.bsky.social · 12/09/2026
My local area WhatsApp group exists to brighten my weekends
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Simon Ziegler @simonziegler.bsky.social · 11/09/2026
@emilymbender.bsky.social has a strong point here. I still think that we need to take Jacob Coxon’s warning about wide societal harm seriously, although I don’t subscribe to the view that humanity will die, unless AI hacks nuclear arsenals. That’s a real risk that I can’t quantify.
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Simon Ziegler @simonziegler.bsky.social · 11/09/2026
I pause and listen to the name of every person highlighted by the Auschwitz Memorial account. Léon was around the same age as my parents, and his surname is a homophone of mine. There’s little coincidence there.
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Simon Ziegler @simonziegler.bsky.social · 10/09/2026
Perfectly expressed.
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Simon Ziegler @simonziegler.bsky.social · 10/09/2026
Not many people would have the strength to write something like this. I wouldn’t.
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Simon Ziegler @simonziegler.bsky.social · 10/09/2026
There are a lot of legs in this approach. If we can move to using ternary or binary models and using appropriately optimised processors (I don’t know if they exist yet), inference cost will collapse. Organisations can then afford air gapped AI at some scale.
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Nadine Batchelor-Hunt @nadinebh.bsky.social · 09/09/2026
Ed Miliband’s parents survived the Holocaust, Ed Miliband is Jewish - that is immutable Questioning his Jewishness like this tells you all you need to know about people like this, and what their values are - and what they truly think about Jewish people that don’t behave how they want them to
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Simon Ziegler @simonziegler.bsky.social · 09/09/2026
Another day when everybody here seems to to think it’s the day to talk about Jews and tell us how to be the right kind of Jew. FWIW I fully agree with Ed Miliband, and think Chief Rabbi Mervis and Justin Webb were wrong, albeit with defensible views. 2 things are true at the same time:
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András Forgács W @andraswf.bsky.social · 08/09/2026
so my fiancée just witnessed an antisemitic attack at Camden Town tube station, if anyone else have seen it too please report it
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Simon Ziegler @simonziegler.bsky.social · 08/09/2026
The Chief Rabbi says “This is truly a dark day for British Jews.” Spoiler alert: truly it’s not.
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Simon Ziegler @simonziegler.bsky.social · 08/09/2026
I have no words for how incompetent this is of Netanyahu. I knew of the warnings ignored from the women stationed on the Gaza border. I’ve read of the Egyptian warning. The UAE one is new to me.
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Simon Ziegler @simonziegler.bsky.social · 08/09/2026
Stephen demonstrating his power to start a random, bonkers and utterly fascinating bun fight. I bet he’s now sitting back and enjoying the show.
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Simon Ziegler @simonziegler.bsky.social · 07/09/2026
Wut?
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Simon Ziegler @simonziegler.bsky.social · 07/09/2026
Good news from 🇬🇧 re 🇮🇱 🇵🇸 Perhaps the UK doesn’t have much leverage but we just need to do the right thing. www.theguardian.com/politics/202...
theguardian.com
UK to adopt tougher stance on Israel with illegal settlements trade ban
Ed Miliband to reassert support for Palestinian rights and a two-state solution in move likely to draw fierce criticism from US and Israel
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Simon Ziegler @simonziegler.bsky.social · 06/09/2026
Post of the day 👏👏👏
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Simon Ziegler @simonziegler.bsky.social · 05/09/2026
We had to sing hymns too. I enjoyed it even though I’m Jewish. The launching here is that the hymns will come out of this in far worse shape than the children. Reform deploying the big intellectual guns now.
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Simon Ziegler @simonziegler.bsky.social · 05/09/2026
Swiss scientist Fritz Zwicky coined the term
"dark matter," which is impressive; but he also coined the term "spherical bastard" to describe people who are bastards no matter which way you look at them, and I think that should be celebrated more.
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Simon Ziegler @simonziegler.bsky.social · 05/09/2026
#Caturday
Grey tux cat relaxing in a garden tableBlack tux cat relaxing on a fence, front leg dangling in a louche way.
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Simon Ziegler @simonziegler.bsky.social · 05/09/2026
I wish I were this optimistic about demographics. I’m too end of Gen X, and have seen the boomer/Gen X border cohort drift from idealistic young things to having a nasty rump of embittered, nasty old people. And this is my conclusion. As we shuffle on, the younger generations will age and repeat…
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Simon Ziegler @simonziegler.bsky.social · 05/09/2026
@bbcnewsnight.bsky.social
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Simon Ziegler @simonziegler.bsky.social · 04/09/2026
Is he asking for a friend?
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