Vannevar Bush predicted lots of innovation in some area, and the most surprise thing is the prediction are come true. He also states the biggest problem for scientist is that they can not use their idea to make a huge effect, rather than they publish the not comprehensive point.  However, this problem have been gradually changed in the development of technology. Then , he give a great deal of examples to show it for the viewers. Such as the photograph technology, thermionic tubes capable and so on. The author use this article to illuminated the fast development of technology in the further  decades, and let us to witness this perfect change. However,  he also remind us to consider how those changes benefit to people.

Technology develop with an incredible speed. The new invention take lots of conveniences to our daily life, however,  it also have  some drawbacks. for example, the mobile phone be more  intelligent, users can complete various of things by phone, such as shopping, reading, watching TV programs. As a consequence, the majority people indulge in mobile phone, even they meet with friends, they are both play their phone.  So, possibly, i believe that  the new invention in future can be more humanity, not just think how it is convenient, bu also consider how it make people feel more happiness.