1. This document discusses the history and challenges facing Portugal's national public libraries network. It was established in the 1980s but faced budget cuts after the 2008 financial crisis.
2. Many Portuguese public libraries have turned to social media like Facebook to engage with communities and reduce social exclusion during times of high unemployment and poverty. Over 40% of public libraries have Facebook pages where they provide services and community events.
3. The document analyzes the social media activities of Portuguese public libraries, finding that most aim to create a sense of community, improve library services, and support lifelong learning. It demonstrates how libraries are adapting to social and economic challenges.