Practically Extinct
Digital materials are listed as Practically Extinct when the few known examples are inaccessible by most practical means and methods. This classification includes Critically Endangered materials in the presence of aggravating conditions.
Adobe Flash Animations and Interactive Applets
Animations, games, and other interactive applets created with Macromedia Adobe Flash Player and Shockwave Flash, along with their accompanying websites. These are primarily .swf files, but they can also include networked collections of .swf files and external assets, as well as the web pages where they are displayed.
Legacy Interfaces and Services Offered Online by Major Companies
Online services with unique interfaces that change regularly and through those changes provide a different experience and different content to their users.
Non-current, Rare Portable Magnetic Media
Materials saved to uncommon storage devices where the media is out of warranty, reader devices may no longer be supported or integrated into hardware infrastructure, and reader devices are extremely hard to acquire due to rarity: typically, more than five years old.
Non-standard Public Records
Records created in the course of public administration and subject to public records legislation but created on unofficial channels and platforms and therefore subject to unlawful destruction whether by accident or design.
Older Open Source Intelligence Sources
Older open source intelligence produced, collected and analysed from publicly available social media and web content with the purpose of answering a specific intelligence question and that supports crowd-sourced investigation and fact-checking to verify or refute claims of state agencies and rebel groups in the context of historic political or military conflict.
Pre-WWW Videotex Data Services and Bulletin Board Services
Pre WWW telephone and television information services that allowed a degree of user interaction and data retrieval with modem-based two-way communication.
Shut Down or Discontinued Video Games
Video games where the servers have been shut down or where the game has been delisted across digital platforms and is no longer able to be legally purchased directly from the digital marketplace (loss has already happened). It includes older and non-current video games designed and played on platforms and devices that are no longer supported. This group also includes older editions of games that have been delisted and replaced by newer or remastered editions.