Anything that has worth can be a commodity; think of all the government secrets other governments want to know.
Information Technology is not a commodity. Information Technology is a service and that is why in some global stock indexes, IT stocks are classified under the service sector.
Anything an individual or group posesses, which, in turn, is perceived by another individual or group to be valuable, is a commodity.
If you want to find out more information about commodity futures options then you can go to the website Commodity World which is a free site where you can do research.
A commodity is something that can be bought and sold. In the case of information, lots of information is free (for example, I am not charging you for answering your question) but nonetheless, information is often bought and sold. Experts get paid very well for their expertise.
Thomson Reuters provides a large amount of information in commodity trading. they provide an insight in several fields and they include guides in each of them.
Information about the best stocks commodity can be found on Investopedia, Traders, Bloomberg, Business Week, Bar Chart, Nasdaq, Trading Charts and Seeking Alpha.
If you are looking for additional information then you can go online to e-trade.com. This website offer step by step guide as well as more information and options for commodity trading from actual traders.
One can get more information about silver commodity prices on a number of websites. Few examples are: Super Trading Online, CNNMoney, and moneycontrol.
A commodity chart is usually used to provide information about marketable items such as sales rates and pricing. You can learn more about this at the Wikipedia.
Information on commodity trading software is readily available to prospective investors on the web. Additionally, reviews on this software can also be found at sites like Amazon, Managed Futures, and CNET.
Information on commodity data can be found at business and financial webpages such as 'Bloomberg'. Alternatively, one can try the Financial Times business markets webpages.
Oil is that commodity.