Edit the following passage to correct errors in pronoun reference. In some cases, you will need to decide on an antecedent that the pronoun might logically refer to.

Since the Internets inception in the 1980s, it has grown to be one of the largest communications forums in the world. The Internet was created by a team of academics who were building on a platform that government scientists had started developing in the 1950s. They initially viewed it as a non-commercial enterprise that would serve only the needs of the academic and technical communities. But with the introduction of user-friendly browser technology in the 1990s, it expanded tremendously. By the late 1990s, many businesses were connecting to the Internet with high-speed broadband and fiber-optic connections, which is also true of many home users today. Accessing information, shopping, and communicating is easier than ever before. This, however, can lead to some possible drawbacks. You can be bombarded with spam and pop-up ads or attacked by harmful viruses and worms. They say that the best way to protect home computers from harm is to keep antivirus protection programs up-to-date and to shut them down when not in use.