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Tom Yeh
@ProfTomYeh · 20. Juli 2026
Backpropagation by hand ✍️ ~ 11 steps walkthrough below
Backpropagation is the algorithm that actually trains a neural network, and it is where most people stop following along. It is not calculus you cannot do. It is matrix multiplication, working backward, one layer at a time.
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Aesthetica
@Anc_Aesthetics · 21. Juli 2026
Someone tipped me off to a website where it compiles all the real ratings for movies on Rotten Tomatoes and compares it to the fake push ratings they try to portray as real ratings. Really eye opening.
Will link the website in first reply but it's called PopcornGap.
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Gazz
@Gazz_54 · 20. Juli 2026
Big discovery on Rotten Tomatoes for The Odyssey.
The real audience score is sitting at 56%, not the fake 97% they’re showing with their “Verified Audience” bullshit.
A r/KotakuInAction user figured out how to see the actual numbers behind RT’s manipulation.
Exactly what we’ve
Elon Musk
@elonmusk · 21. Juli 2026
🤨
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PeterSweden
@PeterSweden7 · 21. Juli 2026
This is Sweden.
A 19 year old woman has just been convicted for defamation.
Because she warned in a private group chat about a man who was convicted of s*xually assaulting a 13 year old girl.
The court ordered her to pay around $3100 in compensation to the convicted man.
She
Elon Musk
@elonmusk · 21. Juli 2026
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Andy Ngo
@MrAndyNgo · 15. Juli 2026
For them to live, you must die. They believe they must kill.
That is the belief driving trans extremists.
Read the true story in "The Zizians: Inside a Trans Death Cult."
Pre-order now: hachettebookgroup.com/titles/andy-ng…
Elon Musk
@elonmusk · 21. Juli 2026
It’s a real issue
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X Freeze
@XFreeze · 21. Juli 2026
never ending cycle of life 😂😂
Elon Musk
@elonmusk · 21. Juli 2026
😂
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Logan Kilpatrick
@OfficialLoganK · 21. Juli 2026
Say hello to Gemini 3.6 Flash, designed to be higher intelligence, more token efficient, and with a new lower price, based directly on developer feedback!
3.6 Flash continues our progress towards models that are deeply usable in real world scenarios!
Elon Musk
@elonmusk · 21. Juli 2026
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Elon Musk
@elonmusk · 21. Juli 2026
@OfficialLoganK
Elon Musk
@elonmusk · 21. Juli 2026
Sorry, I got mixed up. Meant to post this one:
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Sawyer Merritt
@SawyerMerritt · 21. Juli 2026
Tesla's Robotaxi/ride-hailing service is now available in 7 areas:
• Orlando: Unsupervised Model Y rides only (new)
• Miami: Unsupervised Model Y rides only
• Tampa: Unsupervised Model Y rides only (new)
• Dallas: Unsupervised Model Y rides only
• Houston: Unsupervised
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Elon Musk
@elonmusk · 21. Juli 2026
And Miami
Tesla Robotaxi@robotaxi· 21. Juli 2026Robotaxi now in Tampa & Orlando!
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Katie Miller
@KatieMiller · 21. Juli 2026
Therapy has become incredibly dangerous for societal bonds.
In a new study, 1/3 of parents believe their child won’t speak to them because of a therapist’s influence.
This is how countries weaken and fall apart.
Rome didn’t fall primarily because of barbarians at the gates.
Elon Musk
@elonmusk · 21. Juli 2026
💯
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Steven Bower
@bowerblu · 13. Juli 2026
Everyone still stuck on software engineering benchmarks.
Prediction: within a year, all models will be so good at software we will stop caring about measuring it, and start focusing on other surprising capabilities.
0xMarioNawfal@RoundtableSpace· 12. Juli 2026Gemini 3.5 Pro benchmark leak just dropped and the numbers are turning heads.
> Reportedly outperforming Claude Fable 5 and GPT-5.6 in internal evals
> Significant zero-shot performance improvements over 3.1 Pro
> Currently in private validation and testing
- Public rollout
Elon Musk
@elonmusk · 21. Juli 2026
True
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paranoidream ♡︎
@paranoidream · 21. Juli 2026
𝕏Money with friends is fun <3
Congrats to all those that got access today!
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Elon Musk
@elonmusk · 21. Juli 2026
It’s been this way for years
Wall Street Apes@WallStreetApes· 19. Juli 2026My jaw literally dropped checking this out
If you go to New Jersey inmates mugshots and filter by race “White” you’re mind is gong to be blown
Almost all mugshots are of minorities being booked as “White.” (Proof in video)
THIS IS INSANE. You should be furious. I go through
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Déborah
@dvorahfr · 21. Juli 2026
Grok Imagine ❣️
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Elon Musk
@elonmusk · 21. Juli 2026
Grok is a solid workhorse
Mia@MiaAI_lab· 20. Juli 2026Still haven’t found a real use case where Grok 4.5 fails at something I ask vs GPT-5.6 Sol, Fable 5, or Kimi K3.
All of them are excellent — but Grok 4.5 wins on price and speed by far.
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Adam Lowisz X Meetup 🇺🇸🇵🇱🇪🇺🇬🇧🇺🇦
@AdamLowisz · 21. Juli 2026
X is where all the real voices matter. You could never do this on Instagram.
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Danny Limanseta
@DannyLimanseta · 21. Juli 2026
I’m currently using Grok 4.5 99% of the time now for both planning and tasks.
The fact that I don’t have to switch out to a cheaper model to do tasks means there is less context window model switching and faster speed.
Feels incredible.
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Elon Musk
@elonmusk · 21. Juli 2026
SpaceX’s massive corpus of world-class engineering data (excluding material blocked by ITAR) will be added during supplemental training of the 2T run.
This will dramatically improve Grok’s engineering capabilities.
Cory Robin@flycory· 20. Juli 2026For the past few wks since Grok Build launch, we've run SxS testing of complex Codex & Grok Build tasks. Eliminated Claude for needy intern BS. Grok Build wins more trust w/ higher accuracy & less hand-holding. Codex remains solid; each has unique strengths. For heavy
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Visegrád 24
@visegrad24 · 21. Juli 2026
A Dutch woman, 38, was held captive for a week in a home in Zeist, where she was repeatedly raped and brutally tortured by a 52-year-old migrant identified as E. el B.
The suspect beat and kicked her, assaulted her with multiple objects, forced her under a cold shower, placed a
Elon Musk
@elonmusk · 21. Juli 2026
Terrible
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