recant video by UhOhBro about useless inventions

I watch UhOhBro regularly but the other day he put up a video on useless inventions and i know the what he says can be quite offensive hes like this in all his videos and its the type of YouTuber he is However, he was putting some good points across about the objects that the pictures are showing ,sometimes throughout the video, so i though it was worth a blog post and putting it up for future reference to look back on throughout this unit and also some of the pictures in the video are quite cool and i want to work of a couple .