Advantages.
1) The Internet is a treasure trove of information; which offers knowledge on any given topic under the sun.
2) Entertainment is one of the foremost reasons why people prefer surfing the Web.
3) Apart from finding long-lost friends, the Internet also makes it easier to search and apply for jobs and business opportunities on forums and communities.
4) There are innumerable games that can be download, either for a price or for free. Indeed, online gaming has tasted dramatic and phenomenal success because of its ever-increasing demand throughout the world.
5) There are also sites like Wikipedia, Coursera, Babbel, Archive, and Teachertube, among others, that have dedicated themselves to the art of imparting knowledge to people of all age groups.
Disadvantages.
1) The biggest problem with having the Internet is, its ability to create rifts between the real and virtual world.
2) There is an addiction for everything that pertains to the web and that includes excessive surfing, online gambling, social networking, and gaming addiction.
3) The more one sits in front of the computer, the lesser one exercises.
4) Internet users are often plagued by virus attacks that harm their computers and important files.
5) Spamming refers to sending unwanted e-mails, which serve no purpose and needlessly obstruct the computer system.