In 1917 the median age of successful entrepreneurs was 40, vs. 26.5 in 1997. Why? They had to accumulate savings -- and so, not surprisingly, they had more experience in their industry. Years ago, starting a business was for those with few other options. But today's entrepreneurs usually have myriad opportunities, and experience isn't a defining factor. As for savings, entrepreneurs now come from wealthier backgrounds.
Younger, wealthier, less hidebound -- it just might add up to new and improved.