The expression refers to the practice of archiving or retaining a specific collection of thirteen Portable Document Format (PDF) files obtained at no cost. For example, an individual might curate a collection of thirteen free PDF books on a particular topic, actively choosing to maintain access to those documents over time. The term suggests an intent to preserve and utilize these digital assets. It is about the careful act of keeping these items.
The significance of such archiving lies in its potential to create a personalized and accessible knowledge base. The benefits include maintaining a curated resource for future reference, educational purposes, or research. Historically, the ability to easily access and retain digital documents has democratized information, allowing individuals to build libraries tailored to their specific needs. Retaining access to a set of thirteen specific documents obtained at no cost can therefore be a valuable and proactive strategy.
