Additionally, Kurzweil correctly foresaw that the preferred mode of Internet access would inevitably be through wireless systems, and he was also correct to estimate that the latter would become practical for widespread use in the early 21st century.
Kurzweil also accurately forecast that, by the end of the 1990s, many documents would exist solely in computers and on the Internet, and that they would commonly be embedded with sounds, animations, and videos that would inhibit their transfer to paper format. Moreover, he foresaw that cellular phones would grow in popularity while shrinking in size for the foreseeable future.
The Age of Spiritual Machines
In 1999, Kurzweil published a second book titled The Age of Spiritual Machines, which goes into more depth explaining his futurist ideas. The third and final section of the book is devoted to elucidating the