LOL.. Thanks. That was the Q&A that caught my eye as well.
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Civil rights groups (like the ACLU?), scholars(like Lawrence Tribe?), lawyers for Muslim Americans (Like Lynne Stewart), Democrats (specifically US Senators) and others(Like CAIR?) fear communications may have been more widely monitored.
Fear? Those who have secrets to keep or share with enemies are the ones that should fear the most. For the rest of us, if you're phone number hasn't been found amongst any number of the papers or computers captured the last few years as part of the al qaida hunt, that fear is more likely paranoia about other activities , I would suspect.