5G: Build it, but will they come?

5G has got a bit of marketing problem. Depending on who you ask, it's either a revolution happening in the telecommunications space or a load of hot air! Networking kit has never been so divisive, whether it's fear-mongering vandals tearing down cell towers, rumours about governmental espionage, or skepticism about the astronomical costs of implementation. So, is 5G worth the hassle?