RSS feeds provide deterministic, structured content lists without rate limits or authentication barriers, enabling reliable consumption by AI agents monitoring competitors, regulations, or research, as detailed in the primary analysis of post-Google Reader persistence through podcasting. This addresses an overlooked access problem where social APIs revoke programmatic access quarterly while algorithms prioritize inconsistency for human engagement over predictable pulls needed by agents. The $25 billion podcast sector demonstrates RSS viability since 2002, extending now to written content for language models and summarization tools. Related patterns in API deprecations show platforms designed for variable rewards fail agent requirements for chronological, parseable feeds, creating long-term gaps in open information retrieval.