Ariba Powercare Ltd do not disclose buyers information to third parties.
The answer is that we use them as sparingly as possible, there are only two cookies created by our ecommerce system:
The "PHPSESSID" cookie is required so that the site can recognise the same user clicking from page to page. Without it, every page would be treated as the first visit to the site, and anything added to the shopping basket would be instantly forgotten. Online shopping would, therefore, be impossible.
The "session" cookie is intended for the user's convenience, our system creates this with a copy of the initial session ID so that they can be classed as "returning" and the contents of their shopping basket will still be available. If the user signs in with an email address and password, these login details are are also saved so that they can remain logged in when returning (the password is encrypted). If the user signs out, their login details are removed from the cookie.
Any other cookies are created by 3rd party scripts such as Google Analytics.