3 responses

  1. Web cam
    June 13, 2013

    By using video surveillance is pro to provide all kind of hidden data so to collect all kind of secret is now possible by using this surveillance system. As science and technology have come out to provide advantage for earth and human but if it use for disadvantage that is unfortunate for people. Thanks!

  2. ade
    April 23, 2014

    Drones have changed war so much… right now, using drones in a war basically means that whoever has the most money wins.

    • paul
      April 29, 2014

      While this is not entirely true, it can be applied in 99% of the cases. Even so, many governments would prefer to lose human lives than to lose hundreds of thousands of dollars in a few seconds.

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