facebook.com##div.ego_section
There are advertisements on Facebook?
Facebook is testing a new tool that will allow e-tailers to track purchases from users of the free-content ad network. The purpose of the feature is mainly to demonstrate that displaying ads on the site is a profitable move for advertisers, who are understandably nervous about Facebook's staying power. Reuters reported on …
That's OK unless there's someone else who uses the same router for Facebook.
In which case you can block it from the Hosts file, but keep an eye on it because Microsoft Security Essentials and Windows Defender don't like you doing that. They trigger SettingsModifier:Win32/PossibleHostsFileHijack which is fair enough, but if you look at the Hosts file afterwards, Microsoft removes the Facebook.com entry from the Hosts file.
I don't know how it works. But in the case you specify, facebook still has your IP from the last few times you logged in, and the shopping site also has your IP when you browsed and bought all that shit. If they talk to each other I bet facebook could find out what you buy and the shopping site could find out who you are. wouldn't be 100% foolproof.
If they talk to each other I bet facebook could find out what you buy and the shopping site could find out who you are.
It's not only the IP address they could use. Browsers can be individually identified fairly well in most cases.
Browser Fingerprints Threaten Privacy (Computing Now)
Is Every Browser Unique? Results Fom The Panopticlick Experiment (EFF)
Trying to drum up business, once you purchase something, a note is sent to your "friends" saying you did, and asking if you would be interested in buying one too. It sounds so good to marking droids on paper.
"Your friend JoanBloggs had just purchased a Dildo, would you like to purchase one too?"
I had heard of something like this happening at least a couple of times, once to a friend. And yes, she was suitably embarrassed.