Movie trailers in 3D. These 3D movies you can watch:
1 - on any TV's or monitors supports 3D.
2 - also on any monitor if using anaglyph 3D option in Adobe Flash Player on page,
(blue/red and other variants) and you need Anaglyph 3D glasses (RealD polarized glasses
from the cinema you can use if you have TV or monitor supports 3D with polarizing screen,passive 3D)
3 - and can use cross-eye method watch 3D (no glasses)
en.wikipedia.org/wiki/Stereoscopy
youtube.com/watch?v=zBa-bCxsZDk
youtube.com/watch?v=DLhtO-gNzLs