Keep in mind the context-this isn't the first, second, or even tenth study that Cal has posted arguing that intensely focused periods of work are more beneficia

Keep in mind the context-this isn't the first, second, or even tenth study that Cal has posted arguing that intensely focused periods of work are more beneficial than working the same number of hours but spread throughout the day. For Cal's readers, this article isn't presenting a new argument. It's one more example in a long line supporting his overall thesis.