It's been 10 years since the Open Source Source Initiative was launched, and what a 10 years it has been. Open Source has gone from an obscure and radical concept to a vibrant sector of the software landscape. For the 10th Anniversary, our faithful newshound Federico Biancuzzi talked to some of the early pioneers of the OSI (such as Bruce Perens and Eric Raymond) about where it came from and how it is relevant today.