If the blocker is small enough to not be worth a context shift to another work-task, then Twitter/HN are a great mini break.
who says Twitter/HN doesnt constitute a context switch? In my experience, though very boring, sitting and waiting for the tests to pass is much more productive than even the slightest diversions. I believe this is due to focus and memory.
If the blocker is small enough to not be worth a context shift to another work-task, then Twitter/HN are a great mini break.