At least the guy admits he is a first-adopter. All I really get from this blog is that some influential guys approve of these two new JS libraries. For someon

At least the guy admits he is a first-adopter. All I really get from this blog is that some influential guys approve of these two new JS libraries. For someone who still builds website HTML, what are Grunt vs Gulp originally supposed to do? And why does Grunt do it better? And a similar questiion for RequireJS / Browserify?