ลกษณะเฉพาะของสออนเทอรเนต
บทบาทและหนาทของสออนเทอรเนตกบสงคม

Internet Characteristic
● Data Copy
● Data Transportation
● Narrowcast
● De-centralized
● Open Access

Data Copy
● Computer “Bits” are very easy to copy
● Zero cost of reproduction

Data Transportation
●
Internet real “speed” = 3 x108 m/s
● Speed of light, light travels in fiber optics cable
● In practice, zero time for data transportation
● Data speed is “throughput”

“Virtual World”
● No cost to reproduce
● Can duplicate any number of copy
● No cost to disseminate
● Can send to anywhere in the world in real time

Narrowcast
● Broadcast
● Push
● Can't select consumer
● All content are the same for each person
● e.g. TV, Radio
● Narrowcast
● Pull
● Consumer select what they want to see
● Each person has their own customized content
● e.g. Internet

De-centralized
● Internet has no center
● If some parts are down, Internet still exists and
is operational

Open Access
● “Address” on the internet is IP Address
● “Internet Protocol”
● Anyone who has IP can communicate on
internet
152.108.111.87

What is Internet?
● In this context, Internet is Media
● 2 kinds of “Media” definition
● Medium (for communication)
● Mass Media
● 2 worlds
● Medium = Telecom
● Mass Media = Media
● 2 kinds of problem

Internet/Online Media
● 2 types
● Old Media comes online
● New online media

Internet/Online Media
● Text ● Video
● Blog ● Online video clip
● Forum ● Live streaming
● Wiki ● Movie rental
● News site ● Interactive
● Microblogging ● Games
● Audio ● Virtual world
● Online radio
● Podcast

Characteristic of Online Media
● Real time
● Searchable
● Sharable
● Social engage
● Copyable

Blog

Online Newspaper

Online Newspaper

Online Newspaper

Online Newspaper

Blog/Comic

Podcast

Online Radio

Online TV

Online TV

Online TV

Online Streaming

Movie Rental

TV to Online

Twitter

Digg

Second Life

Second Life / Advertising