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Coined by former Apple (AAPL) CEO John Sculley back in 1992 when he unveiled the Apple Newton, the term "personal digital assistant" referred to a handheld computer. PDA was still in use in 1996, when the Palm Pilot was the hottest handheld in corporate America. Today, the preferred generic term for a handheld like a Blackberry or an iPhone is a "smartphone".
You need to purge the term "Internet telephony" from your vocabulary and switch to VoIP, for Voice over IP. Even the term VoIP is getting old-fashioned because pretty soon all telephone calls will be routed over the Internet rather than the Public Switched Telephone Network. It's probably time to stop referring to the PSTN, too, because it is headed for the history books as all voice, data and video traffic is carried on the Internet.
A blog is a shortened version of "Weblog," a term that emerged in the late 1990s to describe commentary that an individual publishes online. It spawned many words still in use such as "blogger" and "blogosphere." Nowadays, few people have time to blog so they are "microblogging," which is another word that's heading out the door as people turn Twitter into a generic term for blasting out 140-character observations or opinions.
You have to give Larry Ellison credit for seeing many of the flaws in the client/server computing architecture and for popularizing the term "thin client" to refer to Oracle's alternative terminal-like approach. In 1993, Ellison was touting thin clients as a way for large organizations to improve network security and manageability. Although thin clients never replaced PCs, the concept is similar to "virtual desktops" that are gaining popularity today as a way of supporting mobile workers.
In 1984, the U.S. government forced AT&T to split up into seven Regional Bell Operating Companies (RBOCs) also known as Baby Bells. Customers bought local service from RBOCs and long-distance service from carriers such as AT&T. Telecom industry mergers over the last 15 years have formed integrated local- and long-distance carriers such as AT&T, Verizon and Qwest. This makes not only the term RBOC obsolete, but also the terms ILEC for Incumbent Local Exchange Carrier (i.e., GTE) and CLEC for Competitive Local Exchange Carrier (i.e., MFS).
Thanks to flat-rate calling plans available from carriers for at least five years, nobody needs to distinguish between local and long-distance calls anymore. Similarly, you don't need to distinguish between terrestrial and wireless calls because so many people use only wireless services. Like pay phones, long-distance calls—and their premium prices—are relics of a past without national and unlimited calling plans.
Nobody talks about the "World Wide Web" anymore, or the "Information Superhighway," for that matter. It's just the Internet. It's a distinction that Steve Czaban, the popular Fox Sports Radio talk show host, likes to mock when he refers to the "Worldwide Interweb." Nothing dates you more than pulling out one of those old-fashioned ways of referring to the Internet such as "infobahn" or "electronic highway."
Editor's Note: An earlier version of this story incorrectly defined the term "intranet."
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