The document outlines several disadvantages of internet use including spam emails clogging up systems, computer viruses, unrestricted access to pornography, and social disconnection. It advises that while the internet provides access to information and communication tools, it can also have negative effects like slowing internet speeds, crashing computers from viruses, and exposing children to inappropriate content. Malaysians abroad are told to be wary of misinformation online and to verify information through their embassies. People need to thoughtfully use the internet while being aware of potential downsides.