How are you, hacker?
🪐 What’s happening in tech today, July 30, 2025?
The
HackerNoon Newsletter
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On this day,
Medicare Created in 1965, Lunar Rover Was First Used in 1971, Percy Went to Mars in 2020,
and we present you with these top quality stories.
From
You’re Wasting GPU Power—Fix Your TensorFlow Input Pipeline Today
to
We Built AI to Code and Flirt. Now Let’s Build It to Teach Kindness.,
let’s dive right in.
By @tensorflow [ 14 Min read ] Speed up your TensorFlow training by optimizing input pipelines with tf.data. Learn how prefetching, caching, and vectorization make a difference. Read More.
By @hacker51285576 [ 11 Min read ] AI can write code and charm users — but what if it could teach empathy, civics, and emotional intelligence to uplift society? Read More.
By @jackborie [ 4 Min read ] Your location data is constantly collected and sold. This article explores the hidden economy behind it—and why it’s time to demand better value in return. Read More.
By @escholar [ 3 Min read ] Flaws in continuous limit order books drive market inefficiency. Learn how periodic auctions, random timers, and fee policies could fix trading. Read More.
🧑💻 What happened in your world this week?
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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 ✌️