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1 Chapter 9 The Internet in Business: Corporations, Businesses, and Entrepreneurs
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Electronic Retail (etail) Advantages of etail for consumers Any time Anyplace No need to dress or travel Saves time Faster comparison shopping Contributes to competition
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Etail Etail from the business owner’s view No need for physical store Fewer Employees needed Easy for small businesses to attract more customers
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Online Advertising Ads on web pages Banner ads Usually animated Requires users to click and go to a different site Live banners Animated Show more information Slow
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Online Advertising Context sensitive ads Related to the material on the screen Problems with ads Graphics and applets load slowly Ads often load first User becomes impatient
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Advertising Portals Flat fee according to number of visitors Sale percentage Examples: Yahoo, MSN, America Online
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Web Entrepreneurs Simple start-up More access to people and global markets Minimum investment Success Factors 1)Content 2)Uniqueness 3)Self-help 4)Community
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E-Commerce Business to Consumer (B2C) Activity between individuals and businesses Business to Business (B2B) Activity of one business providing another with materials and supplies
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Internet Traffic Jam Users want immediate response Business must provide fast, high- capacity communications Large companies T1 and T3 lines Smaller businesses ISP
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Transmission speeds Bandwidth – data transfer capacity how big is the pipe? Regular Modem Uses ordinary telephone lines. Maximum of 56 Kbps
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Transmission speeds ISDN Integrated Services Digital Network up to 128 Kbps DSL Digital Subscriber Line. Uses ordinary telephone lines. Limited distance. Cannot be transmitted over fiber-optic cable. 256 Kbps up to (theoretically!) 1.5 Mbps
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Transmission speeds Cable Modem Uses cable television connection. Shared with others. 1.5 Mbps up to (theoretically!) 10 Mbps.
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Transmission speeds T-1 High speed, high bandwidth leased line connection to the Internet. A T-1 line can (theoretically!) deliver information at 1.544 Mbps.
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Transmission speeds T-2 High speed, high bandwidth leased line connection to the Internet. A T-2 line can (theoretically!) deliver information at 6.312 Mbps.
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Transmission speeds T-3 High speed, high bandwidth leased line connection to the Internet. A T-3 line can (theoretically!) deliver information at 44.736 Mbps.
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Transmission Technology Streaming Downloading active video or audio Broadcast mode Sending a file to every computer on the network Push technology Software that automatically sends information from the Internet to the user’s computer
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Intranets Company’s private Internet-like network Available only to employees or users with a password Requires a server Must use tcp/ip Someone must maintain it
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Virtual Private Network VPN Public internet instead of private phone lines Allows private transmission Point to Point Tunneling Private protocol is embedded in TCP/IP packets Encryption is used Provides high level of security
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Backbone of the Internet Major communications links Connect Internet servers DNS – Domain name system, 13 root servers with the master domain list Subject to attack by hackers
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