DeepDyve Launches Innovative “5-Minute Freemium” Service World’s Largest Rental Service for Peer-reviewed Journals Offers Free Access to Millions of Research Articles June 5, 2013 — Sunnyvale, CALIF — DeepDyve, the leading online rental service for scholarly and professional research articles, today announced a new “freemium” offering whereby users can preview the full text of any article for free