@incollection{, 87B915F3BC4DA83BCDC71DDA5B93838B , author={{MarianaHu} and {Magdy M.Hussein} and {JennyZhou}}, journal={{Global Journal of Management and Business Research}}, journal={{GJMBR}}2249-45880975-585310.34257/GJMBR, address={Cambridge, United States}, publisher={Global Journals Organisation}203515 } @incollection{b0, , title={{LinkedIn Statistics}} , booktitle={{References Références Referencias 1. 99 firms}} , year={2019} } @incollection{b1, , title={{A longitudinal study of Facebook), LinkedIn, & Twitter use}} , author={{ AArchambault } and { JGrudin }} 10.1145/2207676.2208671 , booktitle={{Proceedings of the 2012 ACM Annual Conference on Human Factors in Computing Systems -CHI '12}} the 2012 ACM Annual Conference on Human Factors in Computing Systems -CHI '12 , year={2012} } @book{b2, , title={{Most famous social network sites worldwide as of}} , author={{ Statistic }} , year={April 2017} } @book{b3, , title={{Number of social media users worldwide from}} , author={{ Statista }} , year={2010 to 2020} } @incollection{b4, , title={{Uses and gratifications of social media: A comparison of Facebook and instant messaging}} , author={{ AQuan-Haase } and { ALYoung }} 10.1177/0270467610380009 , journal={{Technology & Society}} 30 5 , year={2010} , note={Bulletin of Science} } @incollection{b5, , title={{A dynamic longitudinal examination of social media use, needs, and gratifications among college students}} , author={{ ZWang } and { JMTchernev } and { TSolloway }} 10.1016/j.chb.2012.05.001 , journal={{Computers in Human Behavior}} 28 5 , year={2012} } @incollection{b6, , title={{Why people use social media: A uses and gratifications approach}} , author={{ AWhiting } and { DWilliams }} 10.1108/qmr-06-2013-0041 , journal={{An International Journal}} 16 4 , year={2013} } @book{b7, , title={{LinkedIn now has 450 million members, but the number of monthly visitors is still flat}} , author={{ KYeung }} , year={2016. August 4} }