pimg src="http://newsimg.bbc.co.uk/media/images/45665000/gif/_45665683_breaking_226x170.gif" align="left" width="226" height="170" alt="Breaking News" border="0" vspace="4" hspace="4"/pp class="first"b Amazon has said it will not allow online advertising system Phorm to scan its web pages to produce targeted ads./bp Phorm builds a profile of users by scanning for keywords on websites visited and then assigns relevant ads. /pp It has proved controversial because it scans almost all sites a user visits and there is an ongoing political debate about how a user gives consent. /pp Last month the Open Rights Group wrote to the world's leading websites asking them to opt out of Phorm. /pp Phorm has conducted trials with BT of its technology, which is marketed as Webwise. /pp BT plans to roll out the service to users after analysing the results of the trials. /pp In a statement, Amazon UK said: quot;We have contacted Webwise requesting that we opt-out for all of our domains.quot; /phrpThis article is from the a href="http://news.bbc.co.uk"BBC News website/a. #169; British Broadcasting Corporation, The BBC is not responsible for the content of external internet sites./pdiv class="feedflare"
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