Top 10 Most Useless Products. The human mind is a beautiful and dangerous thing. Capable of astounding revelation and world-changing deductive reasoning, the scope of human intelligence has forever determined the course of human history and the evolution of the species. Bearing this lofty assertion in mind, let us not forget that there is a flip-side to everything – especially human ingenuity. That being said, allow me to present you with a brief list of ten of the most useless wastes of human invention ever to grace our humble planet.