They also seem to be making money from inserting amazon affiliate tags to links pointing to amazon. Example: http://stackoverflow.com/questions/90924/what-is-t

They also seem to be making money from inserting amazon affiliate tags to links pointing to amazon. Example: http://stackoverflow.com/questions/90924/what-is-the-best-php-programming-book/1729361#1729361 http://stackoverflow.com/questions/90924/what-is-the-best-ph...