The first product ever sold online was a book in 1994 by Amazon.
Learn more
Technology
In 1994, Amazon, then a fledgling online bookseller, made its first-ever sale: a copy of 'Fluid Concepts and Creative Analogies' by Douglas Hofstadter. This marked the beginning of electronic commerce as we know it today. While technology has rapidly advanced, the core concept of online transactions initiated by this purchase remains the foundation of the world of e-commerce.
Source: businessinsider.com