A decade ago, it was very difficult to find and connect with people that you once knew in high school or college, even with the power of the web. When you moved away, most people lost touch permanently. The social media sites, such as Facebook and Google+, are making it much easier for people to find one another and reconnect, even after decades of being apart. The sites are a great way to see what is happening in the lives of friends and family, and to meet new people who have similar interests and thoughts to yours.
Social a media help us in time of need for example in calamities social media is our information giver in those time.In response to politics social media acts as a spokesperson through tv for the politician whose running for example running presidents.