21.  We can get in touch with our friends by sending e-mails which only needs the click of a mouse.

22.  Just with one click, the whole world is standing in front of you.

23.  For one thing, it is so powerful that we can get access to countless information by a simple click on the website.

24.  Furthermore, with the click of a mouse, we can know what is happening in the world.

25.  We can buy many goods at a click for a cheaper price.

26.  Thousands of people get knowledge through the network, they only need to click the web, and they may attend a lecture from a world-famous professor.

27.  In a word, Internet is an expressway on which various data are available for everyone just by a click.

28.  We can easily find abundant music, pictures and video that we need just by a click on Google.

29.  Or you can acquire all the latest information about what your friends and coworkers are doing with the click of a mouse.

30.  At first , the Internet is so convenient that we are able to know all the things happening around the world just by a simple click .