How I Practice Impromptu Speaking for Tech Talks with a Random Topic Generator

Impromptu speaking shows up everywhere in a developer's life: standup updates, live demos, design reviews, lightning talks, and job interviews. Yet most of us never practice it deliberately. Here is a simple routine I use, and a free tool that makes it easy.

The drill

1. Pick a random topic - do not choose it yourself, that is the whole point.
2. 2. Set a timer for 2 minutes and speak out loud.
3. 3. Structure the answer with PREP: Point, Reason, Example, Point (restate).

Repeat 3-4 topics per session, about 10 minutes total.

The tool

I use Random Topic Generator - a free tool that gives you a random topic with one click and includes a built-in timer, so the whole drill needs nothing but a browser tab.

Why it works

• No preparation time forces you to organize thoughts on the fly, exactly like a standup update.
• • Random topics remove the comfort of rehearsed material.
• • Short reps keep the practice sustainable every day.

After a couple of weeks of daily reps, demo days and interviews stop feeling like ambushes. Give it a try before your next lightning talk!