The most important advantage of a prototype is that it simulates the real and future product. It can help attract customers to invest in the product before allocating any resources needed for implementation. You can test the design's correctness before it comes into production and you can discover design errors.
the evening a change came over her. She did not pray. She collected the women of the neighbourhood, got an old drum and started to sing. For several hours she thumped the sagging skins of the dilapidated drum and sang of the home-coming of warriors.