Now, Get Curious!
Choose a topic that interests you, something you'd like to know more about.
You could start with a very broad topic, for example, marketing.
But you would find way too much information on this subject--enough to write several
books! The topic is too broad.
On the other hand, if you were interested in print marketing for athletic shoes
directed at 13-year-old boys, you might have a hard time finding enough information
for a whole paper on this topic. The topic is too narrow.