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Lecture 14 - Infrastructure

Lecture 14 - Infrastructure - #$'$($ Communication...

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Communication Infrastructure Cohi100: Lecture 14 !"#$%&'$()'($*& + ,-* /01$2"3 &'(45 + !"#$%&'$()'($* '%6*& 7%"8 924*$*"' #1$7& + :;*)'$2)%; &(<<;8 &8&'*7= <;(3&= >%'*$ <2<*&= '12;*'&??? + @#'*" 92&)(&&*9 2" '*$7& 1# '*)-"2)%; &'%"9%$9&= 2")17<%'202;2'2*&= "%'21"-119 A;(3&
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:B*$89%8 2"#$%&'()'($*& + C11$&= >%;;& + D1%9 &23"& + E1)6& %"9 F*8& + G1"*8 + H%$9& I71"*8= ;18%;'8= %))*&&J + A-1'1&= 717*"'1& + A%<*$= $*)*2<'& + A-1"*= 7(&2) <;%8*$&= >%')-*&
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,-* *'-"13$%<-8 1# 2"#$%&'$()'($* + TU1)2*'8 1# <*1<;* 2"'*$*&'*9 2" 01$2"3 '-2"3&V + E26* @$$5& &'(98 1# <-1'1)1<8 *"32"**$& + A*1<;* >-1 )17* %"9 SM '-2"3& 0*-2"9 '-* &)*"*& + F**< '-* >1$;9 '($"2"3 !"#$%&'$()'($* 1# )177("2)%'21" + ,*;*<-1"*&= ,W= '-* 7*92%??? + ??? %"9 '-* !"'*$"*' + H1;;*3* &'(9*"'& (&* 2"'*$"*' 1" %B*$%3* #1$ X -$& YZ 72"('*& % 9%8= %"9 [\] 1# '-*7 %$* #%)*0116 7*70*$& ,-* 2"'*$"*' The Internet is just a world passing around notes in a classroom. ~Jon Stewart Internet: absolute communication, absolute isolation. ~Paul Carvel Hooked on Internet? Help is a just a click away. ~Author Unknown The Internet is a telephone system that's gotten uppity. ~Clifford Stoll The trouble with the Internet is that it's replacing masturbation as a leisure activity. ~Patrick Murray Warning: the Internet may contain nuts. ~Author Unknown ^*0 0$1>&2"3 Biggest use of the internet +
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Website popularity follows a ‘power law’ distribution The most popular is very popular and the next most popular is 1/2 as popular... and so on... Is it social? Yes - and increasingly so with 'Web 2.0' Friendster, Orkut, facebook, MySpace Emailing and word of mouth of websites The slashdot effect Word of mouth causes traffic to websites to increase exponentially and bring webservers down Blogging Web browsing
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IM Blogging Social Tagging Facebook Different online applications Instant messaging
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