As
 a result, everyone within that network can view the profile. Users are 
able to search for friends and acquaintances by e-mail address, school, 
university, or just by typing in a name or location in the search box. 
When people become friends, they are able to see all of each other’s 
profiles including contact information. A popular feature on Facebook is
 to share photographs uploaded from a phone, camera, or computer.
A
 person can make a video call to anyone of his friend list. Nowadays 
business has been largely dependent on Facebook for promotion and 
marketing. But, with the advantage of Facebook, nowadays cybercriminals 
are committing many crimes. Above all, Facebook has become a part and 
parcel in the communication system.
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