有些资源，你这辈子都可能找不到了

Core Viewpoint - The article discusses the phenomenon of "lost media," highlighting how many films, shows, and games have disappeared from the internet, often due to a lack of preservation and the complexities of copyright issues [10][20][36]. Group 1: Lost Media Phenomenon - The term "lost media" refers to media that has either completely disappeared or exists but is inaccessible [20][36]. - A notable example is the 2007 film "JoJo's Bizarre Adventure: Phantom Blood," which vanished shortly after its release, lacking any DVD or online resources [15][17]. - The disappearance of media can be attributed to various factors, including the high costs of preservation in the past and the immediate nature of broadcast culture [37][39]. Group 2: Preservation Efforts - There are communities dedicated to finding and restoring lost media, such as a subreddit with 300,000 users who share information about lost resources [22][23]. - Efforts by these "detectives" have led to the recovery of some lost media, transforming it from "lost" to "partially found" or "fully found" [29][30]. - The article emphasizes the importance of preserving cultural works, as the absence of preservation leads to a loss of collective memory [64][65]. Group 3: Causes of Media Loss - Historically, media loss was primarily due to financial constraints, with many recordings being reused or erased after their initial broadcast [37][39]. - In the digital age, copyright issues and technological obsolescence have become significant barriers to media preservation [44][47]. - The article notes that the lack of a continuous chain of preservation efforts can result in media becoming lost, even if copies exist somewhere [50][52].