Nobeltec's daily tide prediction engine is ûhandy when you have to jump up from your ûdesk and go test something on the water.

It shouldn't come as too much of a surprise to learn that we do a lot of research on the Internet. If we had to assign a number to it, we'd say 50%. There—the secret is out.

Some websites with the biggest splash are just about worthless, and some with the least splash are incredibly valuable. We're not sure why that is, but we'd guess it's because, even today, most people share information because they have it, and not to share it doesn't do anyone any good, even if there's no immediate prospect of money at the end of all the work. Many of the best sites are labors of…