This document discusses open access publishing challenges and successes. It covers several topics:
1) Commercial publishers dominate the market and operate under a profitable subscription model that some argue is a "triple-pay system."
2) Open access models include article processing charges (APCs) that some argue disadvantage certain authors and institutions.
3) Predatory journals and conferences exploit authors but are difficult to definitively identify.
4) "Black" open access options like Sci-Hub provide free access to research but raise legal issues regarding copyright and piracy.
Overall the document examines the tensions between for-profit and non-profit publishing models in serving the goal of making research outputs widely available.
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