[vouaobrasil]

> Some people are afraid of these things and suspect there's a hidden agenda, others see things for what they are: Just tools, each fit for a particular purpose.

Well, there's also the arms-race scenario. A classic example is computer security: people only make computers more secure because people hack them, which makes hackers improve their stuff. This prisoner's dilemma scenario gives a deterministic force to technology that certainly makes it more than just a tool: it is a force that acts upon society that transcends human choice.