need tonight DQ

What are some of the ways in which the knowledge/technological revolution have changed the major social institutions

We have all probably heard something about the digital divide.  In fact several years ago a book by that title was published where the world was divided between the "have's and "have-not's"  Baase is critical of this distinction.  What are her criticisms of this particular distinction? 

Accounting…What is a trial balance and what does it do?