Scoble Interviews Young Geek

From the Scoble Show, View of a Young European Developer:

Sebastian Moser, a 20-year-old Austrian developer who has been programming since he was 14. He’s working on starting a company, you can read more about that at looocal.wordpress.com, and tells us his view of all things geeky and European.

It is a 44 minute vodcast.

Creating a web-based business is very easy. With some programming knowledge, you can take a random idea and build an online, revenue generating organisation within weeks or days. This business, being based on the internet, has an instant world-wide customer base.

Question: When building an instant, world-wide business: what are some of the key considerations?