I'd say something like "Last week I build a website where you can do x and y. Somebody just did z on it and it was so cool because of...". Frame it in practical

I'd say something like "Last week I build a website where you can do x and y. Somebody just did z on it and it was so cool because of...". Frame it in practical real-world terms and present it as an exciting, high-tech thing you're doing. Don't give facts, tell a story.