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very useful in a corporate environment where I have to sit in a cubicle in a position that allows everyone to see my screen as they walk by me.
Overall it is satisfactory. This product does exactly what it is designed to do and that is to maintain privacy of the data on the computer screen. It does darken the image somewhat.
- before buying one. I'd suggest visiting a local office supply store and comparing several privacy filters FIRST (like Sony, Fellowes, HP, Kantek, Kensington and Targus) - for viewing angle. This product is totally worthless.
I assumed the 3M brand would guarantee a great product, but these filters are HUGE let down. All it really does is darken the screen a few shades. Just bought 2 3M privacy filters online for my MacBook and 22" monitor.
A total bummer. BTW, if you know which one has the tightest viewing angle - please let me know. I got the 15" mainly for privacy when I'm on a plane viewing company-sensitive data.
But I tested the filter in the office for viewing angle, and unfortunately you can still clearly read the info on the laptop from either side-angle.
GOOD 3M product, BAD ordering process.(amazon.com) All I did was click here and it was ordered and no one could stop that order.I stopped using amazon.com because of their problem. One click is all it takes and NOTHING can stop that order. (that's why they call it one click) I got suckered in buying another one.
It works well for the most part.The only other thing is that it dims your screen quite a bit. I figure that if 3M wants to make the screen block more, then they would have to make it even dimmer than it is. It works, but doesn't block everything. Even at full brightness, its hard to see what you're working on sometimes. So with that in mind, it's a good balance for a privacy filter. If you're looking from the side, you can tell what is on the screen but you can't necessarily read the content. For example, you can tell if I have a Word document or iTunes open, but you can't read the text of the document or the song names.
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