http://co.blackberry.com/services/
http://tecnologyc.com/la-historia-de-blackberry/
http://ve.blackberry.com/newsroom/success/iBarometro_SP_FINAL.pdf
http://blackberryaplicaciones.com/home/16-datos-interesantes-sobre-blackberry/

http://blackberrypr.net/la-historia-de-blackberry-el-comienzo-de-la-evolucion/