A Facebook fan is a more profitable consumer, so it's clearly time to take advantage, says Bernadette John
Access to this article is restricted.
You need to have a valid subscription to access this content. If you already have a subscription please log in.
Subscribe
Subscribe today for unrestricted access to ALL content and receive all email newsletters.
Already a subscriber?
Please log in using the link at the top of the page to see this article and all subscriber-only content.