WHY???? polarized film

just had my second inquiry about polarized window film. i looked around and really couldnt find and usful knowledge about it. anyone else know whats the point, or who may make this stuff and why?

There's a couple shops up this way (Toronto area) who market one of 3M's films as polarized... No idea why they try to, or what they tell people exactly, I've just been asked about it and heard a lot of guys talking about it on car forum's from around here (there was a big thread on a group buy of it on a BMW forum awhile back). One company (can't remember who) even had it listed as being 'polarized' on their website Just idiots using a common term to sell people on stuff as far as I know here. I'm pretty sure it was Crystaline they were talking about and claimed it was polarized in this case...

Polarized You mean You can see from one angle - and can't see from other?
Ask MADICO about LUMISTY, if I understand You correctly.

Yes, for instance, in sunglasses there is a laminated surface that contains vertical stripes. They only allow vertically polarized light to enter. Glare is eliminated because the horizontally-polarized lightwaves cannot bypass the polarize filter.