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   If you think that there’s something oddly familiar about
   descriptions of social media, it may be that you recall some of
   the discussions in the 1990s about what the web would
   become. And many of its emerging manifestations are close to
   the idealistic imaginings from that time. A good way to think
   about social media is that all of this is actually just about being
   human beings. Sharing ideas, cooperating and collaborating to
   create art, thinking and commerce, vigorous debate and
   discourse, finding people who might be good friends, allies and
   lovers – it’s what our species has built several civilisations on.
   That’s why it is spreading so quickly, not because it’s great
   shiny, whizzy new technology, but because it lets us be
   ourselves – only more so. And it is in the “more so” that the
   power of this revolution lies. People can find information,
   inspiration, like-minded people, communities and collaborators
   faster than ever before. New ideas, services, business models
   and technologies emerge and evolve at dizzying speed in social
   media.
   
   (http://www.icrossing.co.uk/fil...}
   /eBooks/What_is_social_media_Nov_2007.pdf

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The underlined expression in “evolve at dizzying speed” can be replaced by

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   TEXT II
   
   
   If you think that there’s something oddly familiar about
   descriptions of social media, it may be that you recall some of
   the discussions in the 1990s about what the web would
   become. And many of its emerging manifestations are close to
   the idealistic imaginings from that time. A good way to think
   about social media is that all of this is actually just about being
   human beings. Sharing ideas, cooperating and collaborating to
   create art, thinking and commerce, vigorous debate and
   discourse, finding people who might be good friends, allies and
   lovers – it’s what our species has built several civilisations on.
   That’s why it is spreading so quickly, not because it’s great
   shiny, whizzy new technology, but because it lets us be
   ourselves – only more so. And it is in the “more so” that the
   power of this revolution lies. People can find information,
   inspiration, like-minded people, communities and collaborators
   faster than ever before. New ideas, services, business models
   and technologies emerge and evolve at dizzying speed in social
   media.
   
   (http://www.icrossing.co.uk/fil...}
   /eBooks/What_is_social_media_Nov_2007.pdf

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The expression “like-minded people” means people who

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   TEXT II
   
   
   If you think that there’s something oddly familiar about
   descriptions of social media, it may be that you recall some of
   the discussions in the 1990s about what the web would
   become. And many of its emerging manifestations are close to
   the idealistic imaginings from that time. A good way to think
   about social media is that all of this is actually just about being
   human beings. Sharing ideas, cooperating and collaborating to
   create art, thinking and commerce, vigorous debate and
   discourse, finding people who might be good friends, allies and
   lovers – it’s what our species has built several civilisations on.
   That’s why it is spreading so quickly, not because it’s great
   shiny, whizzy new technology, but because it lets us be
   ourselves – only more so. And it is in the “more so” that the
   power of this revolution lies. People can find information,
   inspiration, like-minded people, communities and collaborators
   faster than ever before. New ideas, services, business models
   and technologies emerge and evolve at dizzying speed in social
   media.
   
   (http://www.icrossing.co.uk/fil...}
   /eBooks/What_is_social_media_Nov_2007.pdf

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According to the text, social media is spreading because it

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TEXT I

Beware the power of the blog

Companies may not like blogs, but if they ignore them
they may be inviting some PR disasters


The number of blogs on the internet is doubling every five
months, according to blog-tracking site Technorati. The total is
now around 20 million, with around 1.3 million posts made each
day. Most are no more interesting than overhearing another
person's telephone call, but there are exceptions that can have a
remarkable impact.



(from http://www.computing.co.uk/itw... 2145491/beware-power-blog, retrieved on September 24th, 2008)

The opposite of the underlined word in “more interesting than” is