This is mainly on HN because people here tend to value privacy and there were already some great discussions about TSA (Transportation Security Administration). I still don't know how I would react if somebody (even a security officer from a foreign country) asked me to log into my gmail/email account.
That's even worse than an employer asking an employee to log into his/her Facebook account. I keep all sorts of private information in my personal email... I've got nothing to hide but I'll think twice before flying again to a foreign country.
Edit: Typo