IT career roadmap: Technology evangelist

At one point in his life, Michael Sage was a monk living in a monastery. Nowadays, though, he practices a different kind of evangelism in his job as a chief evangelist at BlazeMeter, a software load and performance-testing company.
You may have heard the term "evangelist," or even have such a role in your own company. The role is becoming increasingly important in a technology-driven economy where applications, software and Web platforms all compete for users' attention, says Michael Doonan, a p