It can seldom be right to sacrifice a present benefit for a doubtful advantage in the future. Moreover it is not sufficient that the state of affairs which we seek to promote should be better than those that previously existed; it must be sufficiently better to make up for the evils of the transition.


The cost of switching from one service/product provider to another can be a factor in a myriad of situations. In 'Information Rules' by Carl Shapiro and Hal Varian, the authors describe how customer lock-in works:

See interactive ebook on iBookstore