Both readers and writers in Mexico have a reason to rejoice today, as Amazon has just launched the Kindle Store and Kindle Direct Publishing in their country. The e-bookstore will feature over 70,000 Spanish-language titles, as well as e-books in indigenous tongues like Nahuatl. To help fill up those new e-readers, Amazon will also be offering upwards of 1,500 free books among the store's 2 million titles. The availability of KDP is especially significant, as it offers both unknown authors and big name writers like Paul Coelho (who's using it to