We will see how to use free online databases to generate ideas for amazon affiliate sites. There are several online databases that are open to the public. You can mine these for niche ideas. You could say Google itself is an online database. So mining online databases for niche ideas certainly makes sense. This does require a bit of literal thinking, but this can be a lot of fun.
Let’s search for ‘list of online databases’ on Google. There are lot of results for this search. Let’s choose Wikipedia.