On 11/23/2014 06:50 AM, Nico Kadel-Garcia wrote: > On Tue, Nov 18, 2014 at 4:17 AM, Nikos Roussos > <comzeradd@xxxxxxxxxxxxxxxxx> wrote: >> On 11/18/2014 08:24 AM, Nico Kadel-Garcia wrote: >>> On Sun, Nov 16, 2014 at 3:54 PM, Nikos Roussos >>> <comzeradd@xxxxxxxxxxxxxxxxx> wrote: >>>> On 11/16/2014 08:24 PM, Christopher wrote: >>>>> On Sun, Nov 16, 2014 at 6:46 AM, Mustafa Muhammad >>>>> <mustafaa.alhamdaani@xxxxxxxxx <mailto:mustafaa.alhamdaani@xxxxxxxxx>> >>>>> wrote: >>> >>>>> This doesn't seem relevant to this discussion, unless Fedora browsers >>>>> are automatically, and without the user's explicit knowledge or >>>>> permission, navigating to Google's search engine, which (AFAICT) they >>>>> are not. >>>> >>>> Same happens with these tiles. No data is sent back to Mozilla unless >>>> you *choose* to click one of the promoted tiles. >>> >>> Even if not sent to Mozilla, it's accessible to the advertisers. I >>> could spend a long time explaining the various means, that web >>> advertisers track their users, ranging from crafting URL's and >>> metadata about the particular requests to 'web bugs', those little one >>> pixel transparent gifs so ubiquitous on the plethora of >>> ad.doublelick.net websites with fake names used to collect the data. >> >> The tiles are coming from Mozilla. So yes please explain how the >> advertisers can track me through them if I don't click them. > > Much depends on what's in the tile. For example an embedded 1 pixel > transparent gif, commonly known as a "web bug", and loaded from a > third party web repository such as one of the many misleading aliases > for ad.doubleclick.net, is one of the favorites. Another is crafting > the URL used by the displayed advertising page to contain metadata > about the browsing client. Unless the tiles are vetted by, hosted by, > and have their content reviewed and manually sanitized by someone both > paranoid and content over at Mozilla, it's safe to assume there is > tracking information embedded in the tiles. The tracking information > has become ubiquitous in far too much web content, especially in paid > advertising content. > > I'm afraid it's not reasonable to assume that just because Mozilla is > providing the hooks to publish web ads that those web ads do not, > themselves, collect and use personal user data, especially the client > IP and browsing history. You don't have to assume. Firefox is open source so you can just check the code before spreading FUD.
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