Ther is an internet archive called the "Way Back Machine" http://www.archive.org/index.php
With everyone having a cellphone in their pocket with internet access the Yellow Pages are becoming obsolete. Most people use the Yellow Pages just to advertise their businesses.
Of the City of the Saved... has 256 pages.
How the Irish Saved Civilization has 246 pages.
The Pig Who Saved the World has 272 pages.
The Fish That Saved Pittsburgh has 154 pages.
How Starbucks Saved My Life has 270 pages.
Internet Browsers eg Internet Explorer, Mozilla Firefox or anything that can read HTML( internet language).
"The Boy Who Saved Baseball" by John H. Ritter has 240 pages.
A router connected to internet forwards packets of data (pages and requests for pages) between any device connected to it and the internet. iPod touch can connect to a (wireless) router using Wi-fi signal and therefore access internet.
The Future of the Internet has 342 pages.
Yes, a major part of the Internet is web pages that can be viewed using a browser of your choice such as Internet Explorer or Firefox. PHP is one of many languages that can be used to generate dynamic webpages to displayed to website users. Most users of the internet don't write PHP, but they do access pages that are generated using it.
Internet browser cache is temporary information stored by browser. The cache helps in faster access of the web pages.