A to-do list feels like one of those things that almost everyone on the planet has, be it an old school one handwritten in a paper notebook or some kind of app. Personally, however, I don’t have any kind of conventional to-do list. Instead, for decades now, I’ve been in the habit of using a calendar as my to-do list, and here are the reasons you too might want to give this a try … When it comes to task management and to-do lists, there are literally dozens of different systems out there. Getting Things Done, Bullet Journal, PARA, Eisenhower Matrix, Ivy Lee, Eat the Frog, MITs, MoSCoW, 1-3-5, Kanban … I could go on. I’m a systems kind of guy: organizing stuff is basically a hobby to me. I could absolutely go down any of these rabbit holes and try organizing my life in any of those ways. Instead, however, I long ago came up with a simple yet highly effective approach which I’ve used ever since.…