Google, Microsoft and Amazon pay to get around ad blocking tool

Printed from: http://www.ft.com/cms/s/0/80a8ce54-a61d-11e4-9bd3-00144feab7de.html

Print a single copy of this article for personal use. Contact us if you wish to print more to distribute to others.

© The Financial Times Ltd 2015 FT and ‘Financial Times’ are trademarks of The Financial Times Ltd. Privacy policy | Terms | Copyright