Last week when Apple released the Lion OSX John Siracusa, from Ars Technica, delivered a 19 page review of the new operating system for free.
Ars Technica then decided to sell a $5 Kindle e-book of the review.
The review was downloaded 3,000 times over a period of 24 hours and it generated $15,000 in revenue.
This was made possible by the power of Amazon’s one click experience which makes impulsive shopping or purchases very easy.
Also, it would seem that people appreciate longer pieces of writing and will open their wallets to pay for such content.