1.

______________TRACK_THE_USER‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_ONLINE_ACTIVITIES_LIKE_SEARCH_QUERIES,_HISTORY_PAGES_&_DOWNLOADS,_FOR_SELLING_PURPOSES.?$#

A. Ad-based spyware
B. System Monitors
C. Spy-trojans
D. Tracking cookies
Answer» E.


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