How are you, hacker?
🪐 What’s happening in tech today, October 30, 2025?
The
HackerNoon Newsletter
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On this day,
“Sense and Sensibility” is Published in 1811, Muhammad Ali Wins the Rumble in the Jungle in 1974, The Soviet Union Detonated the Tsar Bomba in 1961,
and we present you with these top quality stories.
From
These Habits Are Undermining Your Leadership Presence: How to Get Rid of Them
to
What the Big Three Consultancies are Missing About AI (And the Code That Proves It),
let’s dive right in.
How Diablo AI Will Destroy Your Marketing Budget and Business
By @maksshev [ 6 Min read ] Ai-generated creatives give 34% better performance across all metrics than manual creatives. Read More.
JSON Was Killing Our Redis Memory. Switching Serialization Made It 7× Smaller.
By @yankhachko [ 5 Min read ] Cut Redis memory usage by 7× by ditching JSON for Pydantic models. Learn how a custom binary format reduced storage, costs, and overhead at scale. Read More.
AI is a Tool for Economic Progress, Not a Job Taker
By @emmaakin [ 4 Min read ] Analyzing AIs role in the economy: job transformation, productivity gains, and the future of work in generative AI era. Read More.
What the Big Three Consultancies are Missing About AI (And the Code That Proves It)
By @knightbat2040 [ 13 Min read ] Read More.
These Habits Are Undermining Your Leadership Presence: How to Get Rid of Them
By @vinitabansal [ 13 Min read ] Here are the subtle, but significant leadership habits that can quietly sabotage your presence as a leader—they’re easy to overlook, but hard to hide. Read More.
🧑💻 What happened in your world this week?
It’s been said that
writing can help consolidate technical knowledge,
establish credibility,
and contribute to emerging community standards.
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We hope you enjoy this worth of free reading material. Feel free to forward this email to a nerdy friend who’ll love you for it.See you on Planet Internet! With love,
The HackerNoon Team ✌️
