This article is about the changes in the way we communicate and its effects on different people in the 21st century, with a special focus on youth. Technology has not only affected every sector of the economy, but also everything in the 21st century. Whether it's the way we communicate, do business or protect our borders! Technology is everywhere. Our main focus will be on how we communicate with each other. The purpose of this essay is to see what types of new communication tools have been introduced in the 21st century and what are their effects on youth. With the introduction of computer and nuclear technology, we have already seen disaster in the form of wars, struggles to become a superpower, and environmental damage in the 20th century. Will this 21st century be different? Will things be better or worse? These are some questions that I will try to answer in this research essay on the science and technology of light. I will stay focused on how young people respond to technology rather than the technology itself, because it is how people choose to apply technology and whether or not they make wise decisions is a matter of concern which will have a long-term effect. .In order to see the effects of changes in the way we communicate. We will analyze how Generation Z reacts to it, does it affect them positively or negatively. What challenges this change in the way we communicate has created. What will be the future of this generation? Is there something even bigger coming? And then there is a popular saying: “With great power comes great responsibility.” Obviously technology is one of the greatest powers of the 21st century and it is in the hands of young people, but will they be able to take over...... middle of paper ...... Hamid DabashOnline3:"Facebook founder “A roommate recounts the creation of the Internet giant", Haaretz, October 5, 2009 http://www.haaretz.com/news/facebook-founder-s-roommate-recounts-creation -of-internet-giant-1.275748 4: http: //en.wikipedia.org/wiki/Mark_Zuckerberg5: http://downtoearhadvice.hubpages.com/hub/effects-of-social-media-on-our-youth6: Facebook, originally uploaded by Tatiraju.rishabh (uploaded by Sir James)7: http://www.socialworktoday.com/archive/051313p10.shtml8: http://www.businessinsider.com/social-media-engagement-statistics- 2013-129: http://www.cbsnews.com/2100-500202_162-6331796.html10: http://www.psmag.com/navigation/politics-and-law/the-cascading-effects-of-the- arab-spring-28575/9