The very first PRISM slides from the beginning of June detail a collection program where the data is collected from service providers, and they actually go and name the service providers they have access to.
Prvi slajdovi Prizme s početka lipnja detaljno iznose program za prikupljanje, gdje se podaci prikupljaju od davatelja usluga, i oni zapravo imenuju davatelje usluga kojima imaju pristup.