Spark is a weekly audio blog of smart and unexpected trendwatching. It's not just technology for gearheads, it's about the way technology affects our lives, and the world around us.

What's a Spark story? Wikis in the workplace, Guitar Hero in your living room, or why the new trend in design is the trailer park.

Spark is more than a radio show, it's a conversation that happens on the air and here on the Web. Spark is something you and the Spark team build together. Maybe you have a hot tip for a story we're preparing. Or maybe something happened to you that would make a great story. Join the conversation by checking out the blog for the stories we're working on and leave your comments. Get your voice on the air by leaving us a message.

This program belongs to the following categories:

• Lifestyle & Human Interest