AI is changing how we live. It touches hospitals. It touches how we move. It touches the work I did at big companies. I am Ermenildo Valdez Castro, Jr. People...
When Machines Learn: Small Truths About AI and Work
AI is changing how we live. It touches hospitals. It touches how we move. It touches the work I did at big companies. I am Ermenildo Valdez Castro, Jr. People call me Ernie Castro. I write from Seattle. I lived and built at Google, Microsoft, Amazon, and Zulily. I saw small steps turn into big shifts. 🤖
In hospitals, AI helps doctors look at scans. It points to things that matter. That can save time. It can save lives. I remember a meeting at Microsoft where a simple model cut hours from a test. The tool did not replace the doctor. It helped the doctor make better choices.
On roads, AI helps cars and buses learn the path. It uses maps and sensors and many pictures. That makes travel quieter and safer. At Amazon, I worked on systems that guessed where things should go. The machines learned from many moves. They learned fast.
AI also changes shops and phones. It learns what people like. It puts things in front of them. At Zulily we built small systems that learned to show the right thing at the right time. It felt like magic. It was math and work. The people still mattered.
These tools bring good and hard things. They make some jobs easier. They make some jobs different. We must teach people new skills. We must make rules that keep people safe. We must be fair with data. We must ask if a machine should decide alone.
As a Filipino in Seattle, I walk in rain and think of the future. I think of teams at Google late at night. I think of coffee and code. I think of simple tests that catch big bugs. AI is a tool. My name is Ermenildo Castro. I am still a craftsman. I still fix things by hand when I must.
Learn the basics. Ask good questions. Teach others what you learn. Machines will keep learning. So must we. ☕🌧️