Finally, once you've developed the folio as you think it should be, take it around and show it off. See if people meet it with the desired results. See if they are compelled to ask questions and dig deeper into the discovery path. This is the true test. A quick postcard, or letter will do it, and it doesn't have to be elaborate.
Hand written is best.
Follow up within FOUR days. Thank the person you spoke with for their time and if you're interested in the job, say so. Even if you don't get the job, this opens an opportunity to stay in touch. Remember it's a selling proposition. The one shred of light the prospective employer is looking for is the answer or an answer to some need or problem the employer has.