Domain Name System
The Internet's addressing system is what makes its destinations accessible and usable. Without IP addressing, you couldn't use the Internet or any other IP-based network. Despite this, it's a rare geek who actually uses IP addresses directly. It can be done, but it would take a better brain than I have to remember all the numeric addresses of the hosts I need to access.
Another subtle benefit of mnemonics is that they greatly increase your chances of discovering new hosts. Although there are many tools for finding desired destinations, including search engines and hyperlinks, guessing at a domain name remains a very useful and expedient technique. Such a heuristic approach to finding content is much more productive than trying ...
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