There are three main types of digital divides discussed in the document. First, the divide between those who have access to digital technology and those who do not due to socioeconomic barriers. Second, the divide between those who actively use technology, known as digital natives, and those who do not due to a lack of digital literacy skills. And third, the divide caused by policies that restrict access to technology through filtering and blocking in schools and libraries. Bridging these divides requires expanding access, increasing media literacy education, and reducing restrictions on technology use.