correct; mysql have the same business model, and there are places where you can legally grab the enterprise editions.
yeah, filtered glasses won't catch on at home. polarised filters are better than colour filters, but still, meh.
in a home setting i expect to see an uptake of lcd blackout glasses; expensive but home cinema fans are already used to buying expensive toys
i'm willing to bet there's a massive market in 3d sports broadcasting.
Research is to see what everybody else has seen, and think what nobody else has thought.