{"type": "article", "title": "Perplexity Launches Brain, a Self-Improving Memory System That Builds a Context Graph of an Agent’s Work and Learns Overnight", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/perplexity-launches-brain-a-self-improving-memory-system-that-builds-a-context", "original_source": "https://www.marktechpost.com/2026/06/18/perplexity-launches-brain/", "published": "2026-06-18T20:26:20+00:00", "accessed": "2026-06-18", "id": "perplexity-launches-brain-a-self-improving-memory-system-that-builds-a-context"}