How are you, hacker? 🪐 What’s happening in tech today, October 30, 2025? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. 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. Feeling stuck? We got you covered ⬇️⬇️⬇️ ANSWER THESE GREATEST INTERVIEW QUESTIONS OF ALL TIME 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 ✌️ How are you, hacker? 🪐 What’s happening in tech today, October 30, 2025? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. 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. Feeling stuck? We got you covered ⬇️⬇️⬇️ ANSWER THESE GREATEST INTERVIEW QUESTIONS OF ALL TIME 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 ✌️