Through constructing this product, the author has learned about various technologies including Photoshop, InDesign, scanners, and tools for embedding files. Key things learned include how to manipulate images in Photoshop using layers and effects, how InDesign focuses more on text formatting than images, and how to embed files from platforms like Scribd and Slideshare. The author also discusses gaining skills in time management, practical learning through experimentation, and tracking progress through diary entries.