As 2010 draws to a close, we are also seeing the closure of a chapter of the early Internet era and the beginning of a new one. The first chapter opened in the early 1990s when the few people who connected to the Internet did so with narrowband "dial up" connections using the Public Switched Telephone Network (PSTN). By the end of that decade, dialup evolved from 1200 and 2400 baud connections to 56Kbs connections as well as ISDN offering Internet connections of up to 128Kbs. At the same time, "broadband" began emerging with DSL and Internet services offered by cable companies.
Also being rendered obsolete as bandwidth demand grows exponentially, particularly with the explosion of video content and mobile Internet: