--- title: Lumen Learning - Blog | open course description: open course | --- - - - - - - [![Smaller .5 LumenLearning_PrimaryLogo_RGB_Blackboard@2x](https://blog.lumenlearning.com/hs-fs/hubfs/Smaller%20.5%20LumenLearning_PrimaryLogo_RGB_Blackboard@2x.png?width=257&height=77&name=Smaller%20.5%20LumenLearning_PrimaryLogo_RGB_Blackboard@2x.png)](http://lumenlearning.com/)   ## [On Turning Two](https://blog.lumenlearning.com/blog/on-turning-two/) [![](https://blog.lumenlearning.com/hs-fs/file-4040288131-jpg/blog-files/cupcake-300x236.jpg) ](https://blog.lumenlearning.com/blog/on-turning-two/) Photo: [A♥ / Flickr](https://www.flickr.com/photos/zenat_el3ain/4390737616/in/photolist-7FZFjG-bmhQ9h-gCGquk-eeq5b-7whxCK-7Vdi7B-bsq3c8-6chtpT-73pPj6-dnfou-Frjat-hbDGX2-hbDGBc-8yfqBc-dnfrF-87Vdaa-hbChZB-hbCtCb-5XsTio-dTyha1-4XbnA8-t88Bw-khNTBc-5rpVwV-dRWi6m-7RDdbE-7RDfes-5SLv56-dRQSwg-dRWviQ-6jCC2w-hbE1SR-aEA1qC-87Ys6W-hbCAVg-dRQXxg-dRWzJQ-9fKAYT-6KGGXU-6KGGYb-6KGGYf-6KGGY7-ia4NBC-3iSoGi-87YpzS-ceLZX9-87Ypeh-kEkR4Z-aYvsAM-ynoT6) By [Kim Thanos](https://blog.lumenlearning.com/author/kim-thanos) | October 07, 2014 | [birthday](https://blog.lumenlearning.com/topic/birthday), [Kim Thanos](https://blog.lumenlearning.com/topic/kim-thanos), [oer](https://blog.lumenlearning.com/topic/oer), [open educational resources](https://blog.lumenlearning.com/topic/open-educational-resources), [open course](https://blog.lumenlearning.com/topic/open-course), [Next Generation Courseware Challenge](https://blog.lumenlearning.com/topic/next-generation-courseware-challenge), [game changer](https://blog.lumenlearning.com/topic/game-changer), [competency-based education](https://blog.lumenlearning.com/topic/competency-based-education), [Lumen Learning](https://blog.lumenlearning.com/topic/lumen-learning), [About Us](https://blog.lumenlearning.com/topic/about-us), [David Wiley](https://blog.lumenlearning.com/topic/david-wiley) | [4 Comments ](https://blog.lumenlearning.com/blog/on-turning-two/#comments-listing) [Read More](https://blog.lumenlearning.com/blog/on-turning-two/) [All posts](https://blog.lumenlearning.com/all) Search ... Search - Recent - Popular ### About Us Lumen Learning provides high quality open courseware and support for educational institutions to help them eliminate textbook costs, broaden access to educational materials and improve student success through the effective use of open-educational resources (OER). ![](https://blog.lumenlearning.com/hubfs/Lumen-Mar2016_Theme/img/shuttleworth.png) ### Lumen Learning 600 NW 14th Ave, Suite 200, Portland, OR 97209 Email: [info@lumenlearning.com](mailto:info@lumenlearning.com) Web: [www.lumenlearning.com](http://www.lumenlearning.com/) - [RSS](https://lumenlearning-1885735.hs-sites.com/blog/rss.xml) RSS - [Facebook](https://www.facebook.com/lumenlearning) Facebook - [Twitter](https://twitter.com/LumenLearning) Twitter - [LinkedIn](https://www.linkedin.com/company/2979672) LinkedIn - [Blogger](http://opencontent.org/blog/) Blogger - [Youtube](https://www.youtube.com/user/LumenLearning) Youtube [© 2014 Lumen Learning, LLC](http://lumenlearning.com/copyright/). Lumen Learning, Candela and the Lumen logo are trademarks of Lumen Learning, LLC. Unless otherwise noted, content on this site is licensed under the [Creative Commons Attribution 4.0 License](https://creativecommons.org/licenses/by/4.0/). [Attributions](http://lumenlearning.com/attributions/).