PowerPoint Karaoke is a spin-off from traditional Karaoke ; However, instead of singing songs, participants give a presentation about an unfamiliar topic with slides they’ve never seen—a random, impromptu PowerPoint presentation . PowerPoint Karaoke is not only fun, but can be a great training tool for those looking to improve with improv and sharpen their rhetorical presentation skills. The PowerPoint Revolution continues! Every few months another contender appears in the marketplace, attempting to poke a hole in the thick skin of the 800 lb slideware-gorilla