I once worked in an environment where such distractions are tightly monitored by management (they use some sort of tools to track what you browse, plus it's an

I once worked in an environment where such distractions are tightly monitored by management (they use some sort of tools to track what you browse, plus it's an open office space where everyone can see what you do). This helped me a lot in being more focused and stricter to myself. I guess regardless of what tools you use to block distractions, it's all down to your strong will to resist it. It helps much more if your task is what you love to do.