advantages  of internet:

1. internet is perhaps best way of communication ,.it can be a business talk or future planning. 
2. 
   
3.  .we can also make international call on Skype as it is not costly comparatively phone call is costly and limited.                                                                                                                                                                                                                       

disadvantages:

1. internet can be misused
2.  it is sometimes waste of times.for example Facebook and online chat.