> Sure, if it's open source, then one paying customer can take the source and fork it back out to everybody else for gratis

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.