Thursday, April 27, 2017

Ch. 9 outline — The Internet


n  
Chapter 9
The Internet
n  Media Then & Now
Ø  1972: Internet invented
Ø  1991: The Web is born
Ø  1995: Amazon.com
Ø  2000: Dot-com bust
Ø  2007: Web 2.0
Ø  2009: Google cyberattack
n  History: Spinning the Web
Ø  Atanasoff’s computer
Ø  Turing’s code cracker
Ø  ENIAC and the Cold War
Ø  Modems, WAN and LAN
Ø  ARPANET (1969)
n  The Web Is Born
Ø  Alto computer (Xerox)
Ø  Bill Gates: Microsoft
Ø  Steve Jobs: Apple
Ø  Videotex, AOL & BBSs
Ø  Internet & e-mail (1972)
Ø  Berners-Lee & HTML (1991)
n  The Dot-Com Boom
Ø  First browser: Mosaic
Ø  By 1995, commercial providers take over Net
Ø  Amazon.com, eBay,
Yahoo! and Google
Ø  AOL fades after merger
Ø  Dot-com bust in 2000
n  Reining in the Net
Ø  Net’s cultural impact
Ø  Communications Decency Act
Ø  Net as a threat to children
Ø  Cross-border communication
Ø  Intellectual property
Ø  Digital-divide issues
Ø  Control: ICAAN vs. U.N.
n  Old Media in Internet Age
Ø  Web competes against
conventional media
n  Google: new king of media
n  Craig’s List, file sharing, iPad
Ø  Old media’s new strategies
n  Online-only newspapers,
e-books, streaming video
n  Rise of Social Media
Ø  Web 2.0: users collaborate
n  Blogs, Facebook, YouTube, Wikipedia, Twitter
Ø  Ads & PR hope to ‘go viral’
Ø  Low barriers to entry
Ø  Political movements (Occupy Wall Street)
Following Moore’s Law
Ø  Moore’s Law: computer processing capacity doubles every 18 months since 1960s
Ø  Metcalfe’s Law: Internet’s value increases rapidly
with the number of users
Ø   
Technology Trends
Ø  Technology in entertainment media and mobile devices
n  iPods, DVRs, Blu-Ray disks
Ø  CPUs and VLSI circuits
Ø  ‘Less is more’: tablets
Ø  ‘More is better’: Everyday objects connected to Net
n  Network Tech Trends          
Ø  Broadband
n  DSL, cable, fiber optic
n  BPL, using power lines
Ø  Wireless: 3G, 4G, WiFi
n  WiMAX and EV-DO
Ø  Internet2: faster Net for more than 200 universities
n  Internet Trends       
Ø  IP Version 6: more addresses
Ø  Cloud computing
Ø  Plug-ins: helper programs
Ø  Scripts: applications
Ø  New markup languages
Ø  HTML5
Ø  Tracking: privacy threats?
n   David vs. Goliath (Google)
Ø  Search engine
Ø  Serves up ads
Ø  Web portal
Ø  Software publisher
Ø  E-mail, video, other services
Ø  Facebook is gaining
The Next Big Thing?
n  Computer Toy Makers
Ø  Hardware
n  PCs and other computers
n  Storage devices
n  Printers & peripherals
Ø  PC leaders: Dell & H-P
Ø  Network gear: Cisco
n  Where Microsoft Rules
Ø  Most PCs run Microsoft operating system (Windows)
Ø  Microsoft dominates many applications (Word, browser)
Ø  Software often ‘bundled’
Ø  Freeware & shareware
Ø  Online applications
n  Internet Service Providers
Ø  Leaders: AT&T & Comcast (XFINITY)
Ø  Some ISPs (like AOL) are content providers, too
Ø  ISPs usually lease high-speed connections to Internet’s backbone
Ø  More than 400 ISPs in U.S.
n  Content Providers
Ø  Web pages are often made by in-house designers
Ø  Old and new media firms
Ø  Existing and new content
Ø  Independent designers, developers, programmers
Ø  Even Facebook users
n  Internet Organizations
Ø  Internet backbone: vBNS
Ø  Regional networks (MERIT)
Ø  ICANN & domain names
Ø  ISOC (the Internet Society)
Ø  W3C: sets Web standards
Ø  Internet Architecture Board
Ø  IETF: technical matters
Ø   
n   What’s on the Internet?
Ø  Web address: URL
Ø  Top-level domains
Ø  Each country has its own
Ø  Institutions: .edu, .org
Ø  Most of the ‘sizzle’: .com
n  Electronic Publishing
Ø  Print and Web-only content
n  New York Times
Ø  Magazines extend brand
n  Some online only
n  Amateurs’ blogs (’zines)
n  Corporate sites
Ø  E-government
Ø  Entertainment
File sharing or pirates
Ø  Legal downloads (iTunes)
Ø  Ad-supported models
n  Amateur & ‘Big Media’ videos
Ø  Streaming radio stations
Ø  YouTube and Hulu
Ø  Streaming cable TV
n   Online Games
Ø  MUDs: fantasy games
Ø  MMOs and MMORPGs
n  World of Warcraft
Ø  Second Life: social games
Ø  Casual games: FarmVille
Ø  Online gambling
n   Portals
Ø  ‘Launch pad’ for Net users
Ø  News & other content
Ø  E-mail & communication
Ø  Surveillance function
Ø  Advertisers see portals
as Web’s mass media
n  Social networking sites
Ø  Search Engines
Ø  Google as the giant
Ø  Yahoo! and Bing far behind
Ø  A ‘bot’ searches Internet
Ø  Results depend on keyword
placement & other factors
Ø  Specialized search engines
Ø  ‘Sponsored links’ are ads
n  Social Media and Blogs
Ø  Not just social networking
Ø  News and entertainment
Ø  Chat and communication
Ø  Tagging and sharing
Ø  Groupon, Digg, Twitter
Ø  Marketers track success of brands via social networks
n  Electronic Commerce
Ø  B to c (business to consumer)
Ø  Category killers (eToys)
Ø  Some e-tailers only online
Ø  Clicks-and-mortar operations
Ø  Auctions (eBay): c to c, for
consumer to consumer
Ø  Biggest category: b to b
n  A Good Web Page?
Ø  Contests & giveaways
Ø  Continual updates
Ø  Episodic storytelling
Ø  Attractive colors & layout
Ø  Short items preferred
Ø  Interactivity
Ø  ‘Cool’ design vs. usability
n  Does Info Want to Be Free?
Ø  Copyrights and patents
n  Digital Millennium
Copyright Act of 1998
Ø  Cut off free access
Ø  Follow iTunes model
Ø  Net neutrality
Ø  Creative Commons
n  Closing the Digital Divide
Ø  Gap: by race and income
Ø  Obama: put broadband in
90% of U.S. homes by 2020
Ø  Public computing centers
Ø  Cycle of poverty
Ø  U.S. lags other countries
in broadband penetration
n  Gov’t.: Hands Off or On?
Ø  Whether to tax e-commerce
Ø  Universal Service for Net
Ø  Protect children online
Ø  CANSPAM law
Ø  USA PATRIOT Act
Ø  Cyberwarfare, global issues
n  Online Safety
Ø  Phishing & other scams
Ø  Personal responsibility
n  Virus scanner, spam filter, spyware eraser
Ø  Use complex passwords
Ø  Don’t post personal info or party photos on Facebook

No comments:

Post a Comment