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Some of the common social networking sites are:

                      Facebook: It was founded by Mark Zuckerberg in 2004. The user
                     can add friends and interact by posting comments, pictures &
                     videos.



                                       Instagram: It is a photo & video sharing social networking site
                                       now owned by Facebook, originally created by Kevin Systrom
                                       and Mike Krieger in 2010.



                      X: It is a social networking site where users post and interact with
                     messages known as "posts". It was launched in 2006.


                                              YouTube: It is a video sharing site where users can watch,
                                              share, like, download and upload videos. It was created in
                                              2005 but Google bought it in 2006.

                      WhatsApp: It is an instant messaging service that allows you
                     to send messages, pictures, videos and even voice recordings
                     over the Internet. It was launched in 2009 and is now owned by
                     Facebook. It is more popular as an app.

                  Other Uses


                  Many services are now provided on the Internet such as online banking, job seeking,
                  online education,  online ticket booking, hotel reservations and online storage.
                  Often, these services are either not available offline or cost more.

                      REQUIREMENTS TO CONNECT TO THE INTERNET

                  The things required for having an Internet connection are:


                      Computer System: It is an integrated system with all the
                     different  types of input, output,  processing and storage
                     devices.



                                                     Telephone  and  Cable  Lines: These help in
                                                     establishing a link between the different computers
                                                     and servers.



                      Modem: It stands for Modulator-Demodulator. Modem
                     transfers digital information over telephone lines.





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