As a ketchup bottle once famously said: Good things take time (were paraphrasing here, of course). Roughly a year and a half ago, Barnes Noble made its top-notch Nook Simple Touch even better with the addition of GlowLight. Before the end of the year, however, the company had been outdone by both Kobo and Amazon in that department; the two e-reader competitors launched devices with more uniform and brighter front-lighting technologies.