Unlimited stock, no shipping, no returns, diminishing cost-per-unit with each sold item. Could it be the perfect product? I’m talking, of course, about digital downloads. Software, ebooks, online courses, images, videos, templates, designs, visual filter presets, business docs, blueprints, research — all these products are in high demand in our digital world. This type of merchandise is increasingly convenient, cheaper, and faster to buy than physical goods.