Transcript Internet
Internet • Chapter 8 Creating a Web Page • HTML – Tags to format document • For example, <B> to bold • </B> to stop bold FTP software • Allows file transfer from one computer to another • For example, transferring your web pages to a host computer Domain names • $70 fee for two years • First come, first served – mlb.com • Cybersquatting – McDonalds.com • mcgradyproperties.com Web site development • From $50 to thousands of dollars • Often includes hosting page • Functionality versus style Internet advertising • • • • Targeted Longevity of ad Animation Information Web site traffic • Counters – Like odometer • Hits – – – – – From ISP Where user came from What they did How long they staid Unique visitors ISPs • National – AOL • Easy to install and use • Features such as Instant Messenger • Local phone access? – Free ISPs • Make money from ads • Reliability and connection speeds • Netzero – Can move ads around screen • College Club – Free web page storage – Local • Ratio of subscribers to modems The good…... Telecommuting • Advantages – Increases productivity • No commute • No interruptions – Flexible hours – Balance family life – Good for environment • Less traffic – Disabled • Disadvantages – Self-motivated – Social interaction Online learning • Advantages – Ease of distribution – Convenience • Asynchronous • Determine pace • Disadvantages – Self-motivated – Communication – Social interaction Internet telephony • Using Internet for telephone calls • Free long distance calls • Privacy? E-filing income tax returns • Tele-file – By invitation only – Enter data using phone – Refund in four business days • E-file – Using software such as TurboTax or through CPA – Advantages • Refund much quicker (electronic transfer to bank) • Fewer errors; return not input by IRS • Mandatory at some time in the Interactive TV • Vote for TV shows • Get more information • Participate – Webriot The bad….. Internet addiction • Similar to drug and alcohol addiction – – – – Escape from real world Social isolation Cravings Impact on family and job • Most often impacted – – – – Homemaker Disabled Retired Students Day trading • Buy and sell stock on some day • Thousands of shares to take advantage of ticks • Usually penny or fast moving stocks • Speculators, not investors – Losers – No life • Tax consequences Online gambling • Currently not regulated • Convenience • Credibility of casino Plagiarism • Failure to acknowledge source of information • Much easier with advent of Internet – Many pages of information available – Copy and paste • Term papers • Use services such as turnitin.com to detect illegal use of information Spam • Unsolicited e-mail sent in massive quantities • Use spiders to locate e-mail addresses • Try to build profile so can target e-mail • Cost is to recipient • Fighting spam – Filter software – Don’t disclose e-mail address – Use second e-mail address Chat rooms • Chat room: permit two or more users to converse in real time • Generally have a system monitor • Do not reveal private information in a chat room • Addictive Denial of service attacks • Hacker enter several computer systems • Sends command for all computer systems to contact target site such as E-trade, Yahoo – Pings are used to see if computer can be accessed – Pings come from false addresses so they can’t be returned – But site under attack waits for pings to be returned – Overwhelms site The questionable…. Monitoring employees computer usage • Software allows system administrators to view: – who is using networked computers – what they are doing on the computers – how long they spend • Generally, no regulations in this area • Individuals fired for sending offensive emails • Companies feel they must do this to prevent lawsuits and slacking Internet Acceptable Use Policy • Business – – – – No personal business activities? No personal e-mail? No offensive activities No illegal activities • Schools Censorship of the Internet • Many pages on the Internet that generally would not be placed in the public library – Bomb recipes – Hacking software – Pornography – Racially and ethnically offensive material • In U.S., federal government in general has not tried to regulate Internet – Free speech – Regulate foreign sites – China does have regulations on Internet sites