this post was submitted on 15 Dec 2023
245 points (98.8% liked)
Technology
60076 readers
3537 users here now
This is a most excellent place for technology news and articles.
Our Rules
- Follow the lemmy.world rules.
- Only tech related content.
- Be excellent to each another!
- Mod approved content bots can post up to 10 articles per day.
- Threads asking for personal tech support may be deleted.
- Politics threads may be removed.
- No memes allowed as posts, OK to post as comments.
- Only approved bots from the list below, to ask if your bot can be added please contact us.
- Check for duplicates before posting, duplicates may be removed
Approved Bots
founded 2 years ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
Open up developer tools and look at the network requests just about any website you visit makes. Logged in to facebook.com and then went to visit a.com? Well, a.com has a Facebook like button and script delivered to your browser when you load their page that allows Facebook to figure out that your logged in Facebook user id visited a.com. Not only did you do that, but you hovered over a button to buy boots for 3 seconds and didn’t click. Now, Facebook calls home with the knowledge user 827027 is a potential boot buyer and can spam them with boot ads.
Interestingly, a.com also loads about 30 other scripts from other ad networks and trackers, including Google, and similarly lets them call home with info stored in their respective third party cookies.