Structure of answer:

• Introduction (Role of social media and its security).
• Explain about social media in regular life.
• Why it needs to be controlled?
• What are the challenges involved in?
• Way forward.
• Conclusion.

Key points:

• About 1.49 billion people on average log onto Facebook daily; every second, on average, around 6,000 tweets are tweeted on Twitter; and since its inception, over 40 billion photographs have been posted on Instagram.
• This is evidence of the huge presence of social media in our lives.
• It needs to be controlled because people spend more time some are misusing.