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What Lad said is correct, however it's my understanding that Facebook and disable and doesn't encourage those tracking applications due to phishing and ID theft. Also, if you just perform a search on an individual, and you only see the pages of search results without ever clicking on their specfic picture/profile, then there wouldn't be a way for those tracking applications to ever kick in. So if you're trying to be an unknown Facebook stalker, you're safe!! :)
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What Lad said is correct, however it's my understanding that Facebook and disable and doesn't encourage those tracking applications due to phishing and ID theft. Also, if you just perform a search on an individual, and you only see the pages of search results without ever clicking on their specfic picture/profile, then there wouldn't be a way for those tracking applications to ever kick in. So if you're trying to be an unknown Facebook stalker, you're safe!! :)

If you look up someone on facebook - do they know you visited?

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.