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"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 for five minutes per day. Users will no longer have to settle for simply reading abstracts. With just an email address and password, users can sign up in seconds and gain free access to more than 8 million articles from 3,000 peer-reviewed journals that previously resided behind paywalls. Users can browse and sample as many articles as they wish, however, each article can only be previewed once every 24 hours."http://www.deepdyve.com/corp/press/20130605Kann in Verbindung mit einem geeigneten Screenshot-Tool durchaus nützlich sein ...