Complex sentence: The Nook Glowlight was released on October 30,2013 and replaced the Simple Touch with Glowlight, however the Simple Touch was still sold until late February 2014 when it was discontinued.
Split into simpler sentences: The Nook Glowlight was released on October 30,2013 and replaced the Simple Touch with Glowlight. The Simple Touch was still sold until late February 2014 when it was discontinued.