““Ask yourself what you like to think about. Problems associated with your technical specialty? Would you be unhappy making a career shift into a new area? Do you see yourself, in the future, as more of an individual contributor or a manager? If you do think you want to specialize, here is the acid test: Your skills and talents are sufficiently deep and leading-edge for you to be able to complete a sentence that sounds something like this: "I am uniquely qualified for this because I am one of a handful of people who have the depth of knowledge to…””