Se Necesita Have need. Diet ads are capitalism's harbingers. We all know that Spanish is America's official second language and that Univision and Telemundo show funny Mexican variety shows, but really there isn't much marketing aimed directly at the burgeoning Latin American population. Found March 22 on the 1 train, this bi-lingual beauty comes relatively late in the Diet market, taking "Se Habla Espanol" one step further. I particularly like the very even split.