Bloggingheads and the Old Challenges of New Tools

Two years ago I was invited me to participate in a weird but cool experiment. The author Robert Wright had set up an online talk show of sorts called Bloggingheads. Two people with something interesting to say–economists, political scientists, human rights workers, seasoned journalists, and others–would pick a topic. They would talk on the phone while filming themselves and then upload the recordings. Others could then watch them hold forth.

I loved the inventiveness of the format. I loved how a