For example, on a seaside beach, many ws number list people sunbathe and swim. Some people are very smart. They sell iced cola for 2 yuan and sell them for 10 yuan. There are many people who buy them and they make a lot of money. But the good times ws number list didn't last long. Many people also discovered this business opportunity and came to sell it one after another.
Slowly, there was more and more competition, and ws number list no one made any money. Why? It is because the first person to sell iced Coke has no barriers and no moats. But if someone invents a thing that can hold up Coke like a fork and insert it ws number list into the sand, so as to isolate the hot sand, although the ice Coke will also get hot, but it will be much slower.
With this thing, many people will buy Coke with ws number list this fork. This thing is very popular, and others want to follow it. If you think it's not a fork, it's ws number list simple. But when someone started to do it, they found that they couldn't do it, why?