Ray Kurzweil’s book, The Age of Spiritual Machines. Moore’s Law will fail at around 2020, at which point a paradigm shift in computing technology will occur.
Currently:
These two technologies can and will provide a replacement for the Internet as we know it and the global finance system.
The only question is when. And it looks like a little after 2020, the hardware required for software defined radio will plummet in price when silicon chips are replaced with another information processing technology. Information processing technology is essentially switching technology and this could be biological via DNA and protein structures where light as used instead of electrical circuits through the logic gates which they do currently.