Quartz ran an article over the weekend which captures a growing trend among millennials: to have a side job -- or as many of them call it, the "side-hustle." One of the reasons that people need this other gig is obviously money, but there are other factors at play as well. From the article:Now one might say that this "side-hustle" is not a new phenomenon at all. People have since forever have had multiple jobs to make the ends meet. But the author argues that in the post 2008-crisis, we have witnessed a whole generation where one gig would simply not cut it all for many. The article adds: