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6 THE INTERNET


A


By 2010, Web 2.0 services which supported online video viewing were causing a drop in P2P traffic.


C


Ajax also runs mobile web applications which are so useful that they have played an important part in the way in which mobile use has developed.


E


B


Three of the many ways in which data transfer has speeded up will be described here.


D


As well as fully supporting developments such as bulletin boards, server-side scripting made possible services such as Wikipedia.


Having promoted Flash as an essential plug-in, by 2003 its owners saw a huge increase in the proportion of browsers using it.


Table 1: Br eaking a complex sentence into constituent parts Main S


Main V Main O/C traffic Other V + S/O/C


A Web 2.0 were causing a drop in P2P which supported By 2010 services


online video viewing.


B


Adv. phrases


Background to social networking services (SNS) ●


When did SNS begin? ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●


Friendster – first recognizable SNS – March 2003 Acquired patents on key SN technology


MySpace – later 2003 estab. co., used Frstr. as model


Facebook launched 2004 initially limited to US universities ... seen as more exclusive Rapid growth of SNS = issue


Frstr. – launch + 3 mths. = 3m users By 2005 Frstr. = 60m page views per day


Facebook – Nov 2008 = 200m unique visitors & 2010 > 500m users (co. data) MySpace – Sept 2010 > 120m unique users per month (co. data) Care needed in planning architecture


e.g., Frstr. tech. unable to meet demand in early years ... loss of users to other services MySpace also performance issues from speed of growth Facebook – well-designed architecture ... no difficulties in scaling Future of SNS


No. of users continues to grow Large nos. of new SNS


SNS replace search for info problems for Google Privacy and security of user data = issue for future


51


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