At first glance, caviar doesn't seem overly appealing to the masses; not very many people would be willing to spend upwards of $1,000 on a tiny spoonful of salty sturgeon eggs from the Caspian Sea. Caviar truly is the ultimate symbol of luxury and fine dining.
"Cooking" with liquid nitrogen seems like one of those activities that should be strictly limited to pros who are appearing on Top Chef, but it's the only way you'd ever be able to make Dippin' Dots at home. If that isn't enough of a reason for you to get some LN2 for your kitchen, check out this dose of pretty:
Bottled water is a rip-off. Not only is it pretty much the same stuff that comes out of your tap for free, but plastic bottles are rarely recycled and thus account for a huge amount of the waste that's overflowing our landfills. Next Up: Water Bottles You Can Eat