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Jef Poskanzer

@jef@mastodon.social
mastodon 4.8.0-nightly.2026-10-06
  • Open on mastodon.social

Mostly harmless.

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2427 Followers
923 Following
50 Posts
Joined March 30, 2017
web site:
https://acme.com/jef/
flickr:
https://www.flickr.com/people/jef/
t-shirt shop:
https://jefposk.threadless.com/
Open post
Jef Poskanzer @jef@mastodon.social
· 16h ago
Boosted by @DataKnightmare@mastodon.xyz
After the Ukraine war is over, we should extend the Anti-Personnel Mine Ban Convention to include autonomous anti-personnel drones.
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Open post
Jef Poskanzer @jef@mastodon.social
· 5d ago
Ow, my knee!
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
BALKONKRAFTWERK
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Open post
Jef Poskanzer @jef@mastodon.social
· 1w ago
Boosted by @jwz@mastodon.social
Omg I just ran into Mark Bodē.
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Open post
Jef Poskanzer @jef@mastodon.social
· 1w ago
That Sam Altman! That Sam Altman! I do not like that Sam Altman! Do you like Gen AI Spam? I do not like it, Sam Altman. I do not like Gen AI Spam.
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Open post
Jef Poskanzer @jef@mastodon.social
· 3w ago
Amazing new mosaic at the Balboa Theater
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Boosted by @jwz@mastodon.social
Today is Artificial Intelligence Appreciation Day for some reason, so everyone please celebrate appropriately.
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Open post
Jef Poskanzer @jef@mastodon.social
· 1w ago
cone party
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Boosted by @jwz@mastodon.social
I am a model, you know what I mean And I do my little turn while getting arrested Yeah getting arrested, getting arrested, yeah I do my little turn while getting arrested
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
China's single time zone demonstrates that people will adapt to whatever numbers are on the clock. I mildly prefer year round Standard Time just because it's closer to Solar Time, but that's because of my niche interests. Most people do not care about that. They very much do care about not having to dick with clocks twice a year and suffer from stationary jet lag. Year round Standard Time, year round Daylight Time, world-wide GMT - all would be fine. Stop messing with clocks!
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Sorry to hear about your bladder issues, sign.
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Boosted by @jwz@mastodon.social
Diarrhea jokes: always funny (if it's not you).
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Open post
Jef Poskanzer @jef@mastodon.social
· 1w ago
Boosted by @jwz@mastodon.social
So apparently bluesky has an anthropomorphized Torment Nexus account, which is pretty much on-brand for there.
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Open post
Jef Poskanzer @jef@mastodon.social
· 1w ago
Turn signals:

Turn signals:

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Open post
Jef Poskanzer @jef@mastodon.social
· 1mo ago
Boosted by @jwz@mastodon.social
Yesterday's Daily Cal was almost 100% about the use of generative AI in campus and city writing. One article mentioned they fired some staffers for using AI. You will never guess what full page ad is on the back.
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
I mean sure you talked to Mitch McConnell. What's important is whether he talked to you.
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Replying to
@jwz@mastodon.social (Note: "Rainbows End" is set in 2025.)
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Boosted by @jwz@mastodon.social
😨😨
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Open post
Jef Poskanzer @jef@mastodon.social
· 1mo ago
Boosted by @heidilifeldman@mastodon.social
Replying to
@trabern@mas.to Wait until he finds out that "America" is Italian.
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Open post
Jef Poskanzer @jef@mastodon.social
· 2w ago
@jwz@mastodon.social Occurs to me that the Vaillancourt animation on the recent guacamole.expert website could be a screen saver.
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Open post
Jef Poskanzer @jef@mastodon.social
· 3w ago
There are a bunch of science fiction stories where the bad guys scoop out your brain, scan the neurons, and upload you to the cloud so you can live forever in virtual paradise, whether you want to or not. The Stone Canal, Iron Sunrise, Jury Service, Software. We are now getting an idea of what *really* bad guys will do with brain scanning tech: the same thing they are currently doing to books. Scan them to train their model, then throw away the useless remains.
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
insulators
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Boosted by @jwz@mastodon.social
Bitch better have my money https://www.theguardian.com/us-news/2026/jul/14/e-jean-carroll-trump-payment
theguardian.com
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
cones & cables
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Open post
Jef Poskanzer @jef@mastodon.social
· 2w ago
Got the first election pamphlet today in CA.
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Replying to
@grassrootsforeurope@mas.to ....Brexiters were twice as likely to die? Maybe they were tended to be older, but even so that's a really big factor.
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Replying to
@byroncclark@mastodon.social @openvibe@mastodon.social Into the dip with them!
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago

What does closure mean to you? I can think of at least three different things. At least I think they are different.

  • A function plus the environment is executes in.
  • A special operator in a regular expression, such as *.
  • A set containing all possible results of applying a function to another set.
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Saw a Trabant in SF today! With license TRA 008! It was loud and stinky!
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Ooo Gauntlet
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Replying to
Long post
@ricci@discuss.systems 100% this. And the only reason they even asked an IRB is because of Stanford's involvement. Tech companies do blatantly unethical A/B testing all the time with no review at all.
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
AI DERP
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Open post
Jef Poskanzer @jef@mastodon.social
· 3mo ago
Boosted by @jwz@mastodon.social
Replying to
I used to think the matte painting of Colossus's huge data center was unrealistic. Now we're building dozens of them.
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Replying to
@glyph@mastodon.social The cones are warnings to the drivers to not go that way. There are a bunch here because the Potrero Division is now closed.
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Open post
Jef Poskanzer @jef@mastodon.social
· 3mo ago
Boosted by @jwz@mastodon.social
The SF DA should charge Waymo with false imprisonment for keeping people at the Golden Gate Bridge.
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Ran across this ridic steep half block at 48th and Balboa. My inclinometer app said 16° which I think is 30%. The official steepest SF street is 41%.
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Open post
Jef Poskanzer @jef@mastodon.social
· 3mo ago
Replying to
@mattblaze@federate.social Intentionally poisoning AIs could be fun though.
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Replying to
@mattblaze@federate.social .....Now wondering if running my exhaust fan counts as "house farting".
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Replying to
@evacide@hachyderm.io I just ran out of staples for the first time ever.
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Italian sub from Pizzeria Violetta
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
@alice@lgbtqia.space Decisions decisions...
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Replying to
@jwz@mastodon.social At long last we have created the book wood-chipper from Vernor Vinge's classic sci-fi novel Don't Create the Book Wood-Chipper
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Open post
Jef Poskanzer @jef@mastodon.social
· 2w ago
Replying to
@jwz@mastodon.social Also, Sequoia was showing this off at the Guac Off. Don't know if it's the same model used in the animation.
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Replying to
@jwz@mastodon.social I ran into an anti-AI protest van today. Literally, because it was PARKED IN THE BIKE LANE.
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Replying to
@jerry@infosec.exchange Did not know fish have teats.
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Replying to
@jwz@mastodon.social I am worried that all three are somehow the same thing and I'm too dull to understand it.
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Open post
Jef Poskanzer @jef@mastodon.social
· 2mo ago
Replying to
@mattblaze@federate.social Well now I want to see "The Russians Are Coming, the Russians Are Coming" but for voting. https://www.imdb.com/title/tt0060921/
imdb.com
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Open post
Jef Poskanzer @jef@mastodon.social
· 3mo ago

Hey where is Matt Pearce these days anyway?

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Open post
Jef Poskanzer @jef@mastodon.social
· 3mo ago
Replying to
@gvenema@fairmove.net @climatebrad@mastodon.social @pluralistic@mamot.fr Yeah that took me a minute. I mean it's plausible that these yobknobs do think that 1053 hypothetical bots outweigh 8 billion meatsacks. But why that specific number? I was in the middle of checking if it was like the JW's belief that only 144,000 souls get to go to heaven when I realized it was just a missing ^
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