數位內容的天敵就是盜版，因為它的重製成本低，而且容易、快速，一般都會透過DRM來防止非法重製。SONY新推出了一個防盜版的技術，這個技術未來能不能實施還不知道，先提供大家有興趣的話先睹為快。
這個技術是透過系統比對載入時間，來判斷合法與否，它會先記錄第一次在特定裝置上載入的時間，以後再比對每次載入的時間來判定是否為盜版。
US20130047267
Title
: BENCHMARK MEASUREMENT FOR LEGITIMATE DUPLICATION VALIDATION
Filing Date :
2011.8.17.
Applcation Date : 2013.2.21.
Abstract :
A system and method
for detecting piracy of a software product that is distributed on a particular
media type is described. Embodiments of the invention track a title load time of
a software product that is distributed on a particular media type, and compare
it against a benchmark load time for that media type. This comparison is used to
detect if the title may have been illegally transferred or pirated to another,
unauthorized media type.
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