E-learning has its origins in the early 20th century with the invention of teaching machines and testing devices to aid in education. Through the 1960s, computer-aided instruction began being utilized in schools, allowing students to receive personalized lessons on computers. The development of the internet in the late 1960s and personal computers in the 1980s enabled the spread of online learning communities and virtual learning environments. By the 1990s, e-learning had emerged as a recognized term as the first "digital natives" were born and the use of email and online learning expanded. Businesses began widely adopting e-learning courses in the 2000s to train employees, making use of new authoring tools and online opportunities. Today, e-