"[Those who live by profit] have, upon many occasions, both deceived and oppressed [the public]", Adam Smith, Wealth of Nations, 1776.
"The Worst Lies Tech Companies Tell You", Adrian Covert, CNNMoney, 2013-08-07 lists some of these deceptions including internet speeds, battery life, and storage space. The comments are all over the map pro, con, right on, and snide (both towards the author and towards corporations).
See also "The Invisible Adam Smith".