Crystal clear ice cubes look great in a drink, and are far more difficult to make than “filling a 50-cent plastic tray with tap water and throwing it in the freezer”. The author of the article seems to avoid pointing this out.
See https://www.kickstarter.com/projects/danprovost/neat-ice-kit and https://www.kickstarter.com/projects/wintersmiths/the-ice-ba...