Carl Kruse: As long as there have been successful Internet entrepreneurs, there have been attempts to nail down what makes them successful. Whether it's a fellow entrepreneur looking for an edge or an interested layperson who is simply curious to know more, no shortage of people are dying to know how the Internet's business visionaries reached the top. Being an entrepreneur is a big task, but all of these skills can be learned. If you notice one you’re lacking in, go get it! Your eventual success depends on it.