The problem now is , is that Zuk probably (read as definitely) has a dossier on those senators that would make the CIA cry.
In a previous life as a criminal analyst the hardest part was building a dossier on a criminal network based on credible information. that meant surveillance, if you could get it, call records, plus other sources. It was grunt work and slow to build those associations.
Facebook has that information coming to them and more. Some people are concerned as a result of the latest revelations of facebooks data slurping. Everyone really should be paranoid and terrified