1. The Internet Today
Module 2
Section 2

2. Reasons of Success?? Simple freedom Cheap
No bosses, no board of directors, no censors
Cheap
Each person is responsible for their own machine and line
Capabilities provided are popular

3. Metcalfe’s Law
The value of a network is proportional to the square of the numbers of it’s users

4. Original Uses
Short Message Transfer
Remote Login
File Transfer

5. Today’s Uses of the Internet
Discussion groups
File transfer
Telecommuting
Research
Chat
Finance
Shopping/Commerce
Advertising
Entertainment
Education
Electronic publishing

6. Impacts of WWW Opening of access to information
Reduction of delay for information
Leveling of traditional interaction hierarchies
Evolution of hypertext
Text is no longer linear
Search time is reduced
Multimedia resources

7. Advantages Reduced need for transportation Saves money
Exposure to things not available before
Reach more people

8. Everyday Uses of Computer Technology – 1980’s
Word processing – document preparation
Telecommuting
Children’s games – recreation

9. Everyday Uses – 1990’s Children’s school work, education
Adult remote education at home
Family communications, correspondence
Reading news events, casual reading
Family travel, recreation
Family records

10. Everyday Uses – 1990’s Home banking, financial management
In-store and other purchases
ATM, debit card
Home shopping
TV, on-line services, telephone
Trading on the stock market

11. Everyday Uses - Future Household automated tasks Smart home
Smart appliances
Home robotics
Home information systems

12. Disadvantages Reliability Privacy Secure transfers of information
Equity, cost, and universal access
Stalking
Identity theft
Offensive material and libel
Censorship
Illegal activity – viruses, theft, piracy, gambling
Intellectual property and Copyright

13. References Use of Internet Internet future
Internet future