Imagine sitting at your desk at work and using a Web browser to view live pictures of every room in your house. You see the plumber or the electrician walking down your driveway. You unlock the front door using a few keystrokes on your office PC.

With a few more keystrokes, you adjust your home's temperature and turn on the lights in one of the bedrooms. Just then, an message arrives from your refrigerator. The appliance reminds you that you are out of milk and orange juice and asks you if you want to automatically order more through an online grocer, such as Vons.

Imagine that later that day, you get home and sit in front of the television. The giant screen is divided into four quadrants.  In one quadrant there is a Web browser opened to eBay's home page.  In another quadrant is a feature movie, available on demand, that is being streamed to your television at 10 megabits per second.  In a third part of the screen is a Web camera view of your child's room so you can keep track of what he's currently destroying.  In the fourth panel is the that has arrived for you today.

Having these capabilities at home may sound like something from a James Bond movie or the Jetsons. All of these wired features and many more will be available by the end of next year and can be built into a home for less than the cost of a German luxury car.

The Internet and the World Wide Web Chapter 8

7 What is the Internet?  Internet:  WORLDS LARGEST NETWORK  Made up of small networks hooked together  Links millions of computers all over the world

What the Internet is used for 1. Browsing/surfing a. Searching for information 2. Communicating a. b. Messaging (IM, Text) c. Twittering d. VoiP - Skype e. Conferencing/NetMeetings f. Social Networking 3. Shopping a. Ecommerce b. Auctions 4. Personal Finances a. Bill Pay b. Banking c. Investing 5. Entertainment 6. Cloud storage and SaaS

9 Myths About the Internet  Myth 1: The Internet is free  Myth 2: Someone controls the Internet  No single group or organization controls the Internet  Governments can regulate Internet use within its country, but difficult to enforce  Myth 3: The Internet and World Wide Web are identical  Internet = physical network  WWW = one resource (Web pages) available via the Internet  Other resources are available via the Internet ( , VoiP, texting, etc..)

10 The Internet Community Today  Users  Internet service providers (ISPs): Provide access to the Internet  Internet content providers:  Hardware and software companies  Government – some countries limit access; FCC influences access  Other organizations  Internet Society (ISOC): Addresses issues impacting the future of the internet  Internet Corporation for Assigned Names and Numbers (ICANN): Domain and IP management  World Wide Web Consortium (W3C): Protocols and standards, ensures interoperability  Application service providers (ASPs): Companies that manage and distribute software based services (SaaS)  Infrastructure companies: Own or operate the physical structure of the Internet

The Internet Timeline Internet 2: a consortium of researchers, educators, and technology leaders from industry, government, and the international community that is dedicated to the development of revolutionary Internet technologies

#1 use of the internet is “Surfing” using search engine Search engine is a web site specifically designed to locate Web pages that match specified keywords or selected categories or phrases Many search sites available (Google, Bing, Yahoo, etc.) Why do we surf? Looking for web sites that contain the material you are seeking

13 Effective Internet searching: A very important skill  Keyword search  Keywords are typed in a search box to locate information on the Internet  Matching Web pages are called hits  Clicking on a Web page name displays that page  Phrase searching (more than one keyword)  Many search sites contain additional tools  Calculators  Dictionaries  Telephone numbers  Weather  Time  Stock Quotes

14 Evaluating Search Results  Don’t be too quick to click!  Evaluate search results:  The first result may be a sponsored ad  Check out each link  Does the title and listed description sound appropriate for the information you are seeking?  Is the URL from an appropriate company or organization?  Check The date  Many online articles are years old  Verify online information with a second source

Other Issues we are faced with  Censorship issues  Privacy of Web activities  Spyware  Adware  privacy - encryption isn’t enough