For those of our readers who are unfamiliar with the 3M privacy filter, these inexpensive, yet essential security devices are essential to anyone working for any government agency or a business entity.
These devices are essential if you are concerned with prying eyes in any area you happen to be working in, whether we're talking about being concerned about privacy working while flying on a commercial airliner or even in an office environment where the "need-to-know" doctrine is mandatory.
For further information please go to the below link:
NOTE: I have no financial relationship with any vendor. My intent is simply to suggest useful aids and resources that may be helpful to our readers.