Sabine Hossenfelder is a theoretical physicist who has primarily moved into science communication. I've personally found her helpful (if sometimes critical of popular science writers) and good at highlighting where the science community needs to think more about exactly what they are doing, and whether it is science at all. To be balanced, Sabine is vigorous in her commoditisation of her communication. She started with a simple blog (which I think is the best thing she's done, because I don't like watching videos), but now she runs a heavy-duty commercial operation. This is not in itself a bad thing, but I have seen it suggested she is intentionally controversial, as that gets your videos more views. From my viewpoint as a more traditional science communicator, I'm all in favour of anything getting the message of science across and think she's a very useful addition to the field. In a video entitled I can't believe this really happened (which has already rece...