To-Do Lists Are Not the Answer to Getting Things Done
Shane Parrish

I use (and agree) with other commenters using both calendar and to-do list. Main takeaways from this post:

  1. Block off time on the calendar for specific activities and tasks, not just appointments.
  2. Be thinking of the time required for each task while planning to-do lists.

To-do lists give us a mental high; calendars make us commit.