When you say we, I take it you mean you and the mouse in your pocket. While I enjoy the Internet, I'm POSITIVE I had nothing to do with inventing the Internet. If I recall correctly, I believe Al Gore invented the internet.
The internet was developed by a team of experts in 1957 when Sputnik I was launched by Soviet Union. However, the initial idea is credited as being Leonard Kleinrock's. Learn more from http://www.livinginternet.com/i/ii.htm.