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IISpy, or I2Spy systems (shorthand for intra-ISP spyware) are behavioural targeting (BT) advertising systems that sit within an ISP in order to scan the content of web browsing and build a profile of users' interests so that relevant adverts can be sent back to them. The term was coined by members of an anti-ISP monitoring forum called (Badphorm ) but no formal definition yet exists by adware vendors of any system that would be classified as such. The practice first appeared with British Telecom's trials of the controversial Webwise system developed by Phorm, a former spyware company.〔(BT's 'illegal' 2007 Phorm trial profiled tens of thousands )〕〔(BT and Phorm secretly tracked 18,000 customers in 2006 )〕〔(ISP data deal with former 'spyware' boss triggers privacy fears )〕 Privacy campaigners have argued against any system that sits within an ISP, and in Europe such systems are illegal under the Directive on privacy and electronic communications (Directive 2002/58/EC). They even refer pejoratively to the process as data pimping.〔(Net think thank: Phorm is illegal )〕 Product vendors argue that behavioural targeting enriches the internet on several fronts. Firstly, website owners are offered an improved click-through rate (CTR), which could increase profits or reduce the amount of page-space dedicated to advertising. Owners of previously thought ad-unfriendly websites are offered a chance to make money not on the subject matter of their website but on the interests of their visitors. Advertisers are offered better targeted adverts, hence reducing the "scattergun approach" (publish as many ads as possible in the hope of catching a client) and users are offered more relevant adverts: just because you visit the financial pages of a newspaper doesn't mean all you're interested in is financial product and books on investing! ISPs get paid for allowing access to their network on a per-user per-active profile basis. Vendors argue that their technology will bring-down the cost of internet access. Campaigners argue that principals of privacy and human rights are breached by such systems. ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「I2Spy」の詳細全文を読む スポンサード リンク
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