Look at how organized those cables are! Wow. Don't you wish your cables were this organized? There's only one way to truly keep those cables in place: plastic zip ties! Okay, maybe it's not the only way, but it is one of the cheapest, most cost-effective ways to do so. And when done correctly, it looks super neat. And the good news is that it's pretty difficult to mess up this hack.
On a completely unrelated note, it seems as though the older we get, the more organized our cables should be. For some reason, it just bothers us more.