How are you, hacker? đŞ Whatâs happening in tech today, July 13, 2025? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, New York City Loses Power in 1977, John F. Kennedy Nominated for Presidency in 1960, Live Aid Concert Organized in 1985, and we present you with these top quality stories. From Junior Cybersecurity Roles Are VanishingâBlame Agentic AI to How to Fix Data Skew in Apache Spark with the Salting Technique, letâs dive right in. Trevor Koverko: From Athlete to AI Data Entrepreneur By @danstein [ 3 Min read ] From NHL draft pick to brain injury survivor to Web3 and AI pioneer, Trevor Koverkoâs journey is one of resilience, reinvention, and impact. Read More. 5 Data Breaches That Ended in Disaster (and Lessons Learned) By @n2w [ 2 Min read ] Explore 5 major data breaches that shut down companiesâand learn key lessons in backup, security, and disaster recovery to protect your business. Read More. Case Study: How We Built an AI-Based Moderation System By @socialdiscoverygroup [ 6 Min read ] Explore how an online dating platform scaled AI moderation with ChatGPT, custom prompt engineering, and in-house data labeling to cut review time 60x. Read More. Machine Identities Are Taking OverâIs Your Access Model Ready? By @permit [ 10 Min read ] Machine identities are set to outnumber human users in every system. Learn why treating machine identities like human ones is crucial for security. Read More. Complete Gemini CLI Setup Guide for Your Terminal By @proflead [ 5 Min read ] Bring Googleâs Gemini AI to your terminal with Gemini CLI. Learn how to install, use, and unlock powerful developer toolsâ100% free. Read More. How to Fix Data Skew in Apache Spark with the Salting Technique By @hacker32086803 [ 7 Min read ] Learn how to fix data skew in Apache Spark using the salting technique for improved performance and balanced partitions in Scala and PySpark. Read More. Junior Cybersecurity Roles Are VanishingâBlame Agentic AI By @morpheuslord [ 6 Min read ] MCP and ACP protocols are killing entry-level jobs. 94% of IT positions need experience, 90% of tasks automated. Adapt or perish in the AI job apocalypse. Read More. Playwright MCP Server Is Here: Lets Integrate It! By @brightdata [ 10 Min read ] Letâs uncover what the Playwright MCP server brings to the table, and how to use it with the OpenAI Agents SDK. Read More. đ§âđť 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 âŹď¸âŹď¸âŹď¸ 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 âď¸