What is Pomodoro Technique and how is it useful?

The Pomodoro Technique® is a way to get the most out of time management.

Turn time into a valuable ally to accomplish what we want to do and chart continuous improvement in the way we do it.

I read about it a few days back. It basically means you have a short period of work e.g. 25 minutes followed by a 5 minute break and repeat this process until the work is done.

Is it helpful to avoid procrastination?