... Facebook, VKontakte, and so on. According to statistics, the most in-demand trades include household appliances, electronics, children's products, clothing, footwear, cosmetics, and more. The sale of more complex industrial products through the Internet is also ... ... order groceries for home or office delivery, manage their diets, and schedule physical activities necessary for maintaining good health, among other functions. Most apps are designed to solve specific problems. Through these services, users can: Find the ...