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The OPLIN 4cast is published using WordPress blog-publishing software. WordPress is written in PHP and backed by a MySQL database, and is available as a free download under a GNU General Public License.

The OPLIN 4cast is a weekly compilation of headlines, topics, and trends that could impact public libraries, published in a blog format. You can read it at www.oplin.org/4cast, subscribe to it via RSS feed (the URL is www.oplin.org/4cast/index.php/?feed=rss2), or sign up for The OPLIN 4cast electronic mailing list.