Daniel Kapp , last month , was diagnosed with cancer 46 . Following the news he used the web to learn more about the illness . He was then shown 'insensitive and tasteless ' ads for funeral directors . The consultant said he tried to remove the ads but they kept appearing . And the funeral directors said it was shocked its adverts were being used to target people in this way . Facebook tracks its users movements around the web using cookies . These are used to serve relevant ads but only work if a user is logged in . Facebook has not yet responded to MailOnline 's request for comment .
Daniel Kapp , 46 , was diagnosed with cancer last month . Following the news he used the web to learn more about the illness . He was then shown 'insensitive and tasteless ' ads for funeral directors . The consultant said he tried to remove the ads but they kept appearing . And the funeral directors said it was shocked its adverts were being used to target people in this way . Facebook tracks its users movements around the web using cookies . These are used to serve relevant ads but only work if a user is logged in . Facebook has not yet responded to MailOnline 's request for comment .