Add an email capture box that appears on scroll. Maybe you don’t want to flash an email signup form right in your visitors faces immediately as they view your page. A kinder, gentler option is to have your signup form exist in a box that shows as you scroll down the page– this way they’ll see it after they’ve finished reading your post or product page. Buffer talks about how they doubled their email list using this tactic, and Sumo Me has a great tool for implementing it.