Your average WordPress theme will take the title you put into the post and output it as the
, the post title in archive pages and send it as the title to RSS readers. That’s not really the most exciting way of doing things or the way that offers the most customisation; I want to be able to use a title written for search engines and use that as the , another written for archives perhaps with some emphasis and one final one for RSS readers. With custom fields, it’s easy.