Whenever you think about starting an Internet business of some sort there has to be some research carried out first.

The first question ought to be how many people are actually searching for the thing you plan to sell or market online? Below are some places to help find those answers:

Google Zeitgeist - Google Zeitgeist will give you tidbits of extremely interesting information such as top searches for the week etc.
This is a great way to find out what’s a hot subject right now on the Internet. (Could you build a site around that subject?)

Good Keywords - This is a Free downloadable tool that you can run of your desktop to see how many people are typing in a certian keyword on Overtures network or Yahoo. This is a fantastic little tool and I highly recommend you download it as it also provides you with keywords suggestions too.

Overture Keyword Suggestion Tool Simply type in a word and it will tell you how many people searched for it the month before.

The Lycos Top 50 - See the top 50 searches performed on Lycos.

Niche Finder - Niche finder is a very useful bit of software that helps you to see how competitive a market is.

It’s all about supply and demand on the Internet and even now you can be sure there are hundreds of great opportunites for individuals to make a great living.