1. Sharing Of Information The website allows us to share with others what you desire to share,
ask public opinion, ask questions, etc. You can share your pictures,
videos and what you have been up to with your friends, family or public
You can control how much information you
want to share with whom and similarly other people share their
information with you.
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2. Business Promotion Through Facebook Ads and Fans page you can advertise your business.
Facebook offers a very customizable ads placement service, which is also
very easy to use and cost effective.
*Facebook Ads allows you to target people of specific age, geographic
location, interests, etc, making your ads most useful and effective.
3. Entertainment * Facebook provides tons of gaming and other applications. Some people open Facebook only to play games. Besides
games, there are tons of Facebook apps that you can use and enjoy. Apps
on Facebook are of variety of type such as photo editing, horoscope,
stock analysis etc.
you can easily send free messages to any part of the world without any charges. This service is completely free.
All tools provided by Whatsapp are very easy to use.
It do not have any advertisements on display screen.
This app automatically imports the contacts from your phone and tells you that how many of your friends are using Whatsapp.
You can share your location, photos, status with your friends.
Cost
Google (owner of YouTube) pay the costs of hosting
videos online and setting the bandwidth required for people watching
them.
2. Simple to useThe main advantage of YouTube over other video sites is the fact that it
is very simple to use. You only need to click a button and then start
to watch your favorite video.