they're among the biggest names in the tech world and yahoo! google and facebook and others are taking aim at how the nsa does business, demanding that the spy agency change its ways. alison kosik in new york with an update on this. >> these are a who's who of wall street, tech giants apple, google, facebook, microsoft, linkedin, twitter and aol banning together and put a letter to president obama and congress and looking to change the way that the government snoops on us while we're online and more specificcally trying to limit the information and collection of information on us. the tech leaders are worried if people won't use their technology because they don't trust it, that will hurt them in the long run. president obama said the nsa does not listen in on phone calls but outside the borders