Sure, you could download an app to make you more productive, or you could promise yourself that you're going to try harder to get things done. You could even get a bunch of other little things done before tackling your actual task. You could do all of these things, but they're not really going to help make you any more productive.
I know, I know. A YouTube video detailing the science behind human productivity (and the lack thereof)? Poppycocks, you say. But it's from our favorite science animators over at AsapSCIENCE, so we trust them.
Now, get to work.
For more awesome science animations, check here.