Maxium Barrault wanted to implement Jerry Seinfeld's productivity secret of forming a chain by crossing off the calendar every day, but apps like Habit Streak Plan weren't doing it for him. Barrault had multiple habits he wanted to form. So he went old-school and created this printable four-week calendar.
via Web News Blogs http://lifehacker.com/print-this-four-week-calendar-to-use-seinfelds-product-1491809191