Ismael Barea — PortfolioAI Engineer & Full-Stack Developerhttps://quantosh.netlify.app/From Building from Scratch in Azure to Feeling Like Legacyhttps://quantosh.netlify.app/blog/de-azure-a-legacy/https://quantosh.netlify.app/blog/de-azure-a-legacy/My first job was incredible. The architect came to ask me how I did it. Then came legacy code, parental leave, and disillusionment.Wed, 01 Jul 2026 00:00:00 GMTCognitive Fatigue in the AI Erahttps://quantosh.netlify.app/blog/fatiga-cognitiva-ia/https://quantosh.netlify.app/blog/fatiga-cognitiva-ia/Why your brain feels exhausted after using AI tools all day, and what you can do about it.Sat, 20 Jun 2026 00:00:00 GMTHow AI Is Reshaping Our Attentionhttps://quantosh.netlify.app/blog/atencion-reconfigurada-ia/https://quantosh.netlify.app/blog/atencion-reconfigurada-ia/The hidden cost of cognitive offloading and how to stay focused in a world of instant answers.Wed, 10 Jun 2026 00:00:00 GMTIKEA built an AI chatbot that took over 8,500 customer service roles. And not one of those people lost their job.https://quantosh.netlify.app/blog/ikea-billie-ai-chatbot/https://quantosh.netlify.app/blog/ikea-billie-ai-chatbot/How IKEA's AI chatbot Billie handled 47% of inquiries, saved €13M, and retrained 8,500 employees into premium interior design advisors — generating €1.3B in new revenue.Thu, 25 Jun 2026 00:00:00 GMT