Also, one thing everyone is forgetting is this is possible because of the wage inequality, and the fact, that only when there are a large number of people whom are either earning less or unemployed, take up these jobs of delivering goods. For us to experience convenience, especially at 1-2 am in the night, someone else has to slog, and with poorer salaries as well. So, it's mere worker exploitation. All of these apps and models are only possible in third world countries with a higher population density. It's the same with maids, drivers, cooks etc