Nothing to fear?

"The argument is, if you have nothing to hide then you've nothing to fear."

- Only if you trust the agency/government involved in the scanning not to abuse your data.

- Also, theres some perfectly legal pursuits you still would not want others knowing...

--For example, some enterprising soul could use computer email info to blackmail you if you were having an affair or something like that.

-Also I may have nothing to hide but I still don't want random strangers having access to my credit card details...