Learn how to embrace open standards while you remove stubble.
Freedom is powerful. When you start using free software, a whole world opens up to you, and you start viewing everything in a different light. You start noticing when vendors don't release their code or when they try to lock you in to their products with proprietary protocols. These vendor lock-in techniques aren't new or even unique to software. Companies long have tried to force customer loyalty with incompatible proprietary products that make you stay on an upgrade treadmill. Often you can apply these free software principles outside the software world, so in this article, I describe my own object lesson in vendor lock-in from the shaving industry.