Strangely enough, this doesn't appear to be a particularly old expression. The first written reference is said by some to be in Robert Heinlein's The Moon is a Harsh Mistress (1967) in which one of the characters (Manny?) says 'there ain't no such thing as a free lunch' - which coined the acronym TANSTAAFL. However, other sources say that it was in use as far back as 1949, with some attributing the expression 'there's no such thing as a free lunch' to Professor Alvin Hansen - a prominent economist at Harvard.
U.S. ebook sales up in 2012, but rate of growth is slowing(May 16 2013) In 2012, trade book sales (i.e. non academic book sales) rose 6.9%, to $15.049 billion, and e-book sales continued to grow, although the rate of growth...