I think the world has shown that cellphones have been used over and over to detonate explosive devices.

They can go back to alarm clocks with big bells. The point is people are only inconveniencing themselves in accepting such knee jerk responses in the name of fighting terrorists. The terrorists don't care, self imposed constant fear is just doing their job for them. You may as well go hide in a cave just in case, the rest of us would prefer to not have our personal freedom infringed brandon