The advocacy versus evangelism debate

Scott Davis: We could spend our entire conversation simply unpacking the politics behind those two phrases. I prefer "advocacy" over "evangelism" because it implies a more measured, thoughtful, and nuanced discussion. But I can appreciate the passion behind evangelism, and my speaking style has been compared favorably to a "pastor in the pulpit" more than once.

For most of my professional career, as an author, teacher, and speaker at software conferences, I've tried to focus on advocating free and open-source tech.

I like lending my voice and passion to projects that may not have large corporations behind them.

Geertjan Wielenga: But wouldn't you say that in the term "evangelism" there is something about enthusiasm that "advocacy" might be missing?

Scott Davis: Since I'm not being paid by a corporation to talk about its products, I definitely have an honest, heartfelt fire in the belly for...