These effects of the Internet have become even more striking since I've begun using a smartphone. I now regularly pull out my phone to check a fact, watch a video, read weibo. Such activities fill the spaces that used to be dead time (such as waiting for somebody to arrive for a lunch meeting).

　　But that's the upside (好处). The downside is that in those dead periods I often would let my thoughts flow and sometimes would have an unexpected insight or idea. Those opportunities are now fewer and farther between.

An Extension of the Human Brain A prosthetic nature ●The 　1　can help make up for our mental and emotional deficiencies as a wooden leg can compensate for a bodily deficiency.

●It 　2　in our daily events, extending our intelligence, comprehending our feelings, and expanding the range of social activities. Wonderful aspects:

memory and judgment ●On the Internet, we could quickly and easily locate the details, and check facts, without 　3　them in mind. ●The Internet makes us smarter over 　4　kinds of things. It provides a dozen definitions of a key term for us to find the 　5　of the matter.

●The Internet enables us to exchange ideas with many others to　6　our claims, and to 　7　our actions. The 　8　sides

of smartphones ●Smartphones make it easier and more 　9　to check reality, watch video clips, read weibo. ●Smartphones 　10　the possibility for new and insightful minds, and steal away our dead time.