10 Surprising Startup Ideas That Worked

There are ideas that seem so outlandish when first introduced that few people take them seriously. Sometimes these ideas are just nuts, but others are simply so far ahead of their times that they turn out to be the start of revolutionary change. In short, there are some startup ideas that not only work, but they also change the world as we know it. That can be incremental or, with some companies, it introduces a global phenomenon that has the power to impact every living being on Earth. 

Here are 10 startup ideas that not only worked, but also altered the course of human existence.