Before I started my own company, I worked as a software developer for a New York media company. I had a colleague—let’s call him Neil—who was a brilliant designer. But he was also a perfectionist.

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

On the surface, there’s not much to understand about a to-do list. It is, quite literally, a list of things you are supposed to do. Or is it things you have to do? Or things you want to do, but might ...