Kindle Wireless Reading

dx like this http://www.amazon.com/Kindle-DX-Wireless-Reader-3G-Global/dp/B002GYWHSQ/ref=amb_link_356068162_6?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=center-1&pf_rd_r=0X5WNGKJT6EQ6FHSKF75&pf_rd_t=101&pf_rd_p=1295520322&pf_rd_i=507846 its called dx kindle that makes no sense what does that mean adn also this http://digimon.wikia.com/wiki/Shoutmon_DX thats a digimon i mean come on and tehjy evenhave dx on cars pleae help me out i know texting dx the face but this shit makes no sense especially on the cars they have [...]