In 4 hour duration, you can do some (or many) other thing. In 30 seconds, you ca...

		m_ransing on Nov 19, 2018 \| parent \| context \| favorite \| on: Ask HN: What's the hardest problem you've ever sol... In 4 hour duration, you can do some (or many) other thing. In 30 seconds, you can not, those 30 seconds are pure waste.

Yes, I procrastinate.