Exactly. We have found no archaeological evidence that Neanderthal society had any problems with their power grids or cell phone networks. I mean...c'mon.
Neanderthals Used Red Ochre Pigment 250,000 Years Ago
"Now, a new study suggests that Neanderthals were also using it in the present-day Netherlands region of Europe as far back as 200,000-250,000 years ago, if not earlier. "
Red Ochre is iron oxide and may have a magnetic orientation.