One of the keys to successful digital product creation is picking a problem you can solve. Too often, many new Internet marketers will choose to create a product they like, but that usually doesn't solve a problem that is currently in the marketplace. As a result, there is no real demand for that product.
The common result in this case is that the person will go to a great deal of time and effort to create his/her product, but when no or few sales comes through, the person becomes disillusioned by the prospect of making a profitable living online, calls it "a scam," and often returns to their dreary job, figuring it's the only way to "make it in the world."
To have an in-demand product, you need to create a product that solves a problem. If this problem is widespread throughout the industry, and you develop an effective solution for it, people from all across the industry will want to get their hands on your item, setting you up for some nice profits. Thus, it is critical that you find a problem you can solve, then develop a solution for it, whether it's an e-book with information of an effective solution for the problem, a software program that can alleviate the problem, a membership site with information and resources that can solve the problem, etc.
You may be wondering, "how do I identify a problem I can solve?" Here, you will need to do some observation and some research. Some of the best ways is to go to your favorite search engine, type in the industry or topic you are interested in along with "+ forums." This should bring up a list of online forums that serve the people in that industry or who deal with that topic. You can go to these forums and read about the current topics and issues being dealt with in that industry. You may have to register at these forums first in order to access some sections of them, but this is not the case at all forums.
If an issue or problem continues to be brought up by several members of a forum, chances are that this is a problem you can build a product around in an effort to solve or alleviate it. This is a problem that is demanding a solution, and you have the opportunity to provide that solution and make good profits by doing it, plus build your reputation as a problem solver and solution creator.