[scubbo]

No, your robot vaccuum cleaner itself made _your_ life better. The _company_ made _the_ world worse, by over-charging, exploiting, and polluting. The fact that they happened to create a product that you personally enjoy does not negate the overall negative effect.

[ryandrake]

If the consumer thinks of himself as the center of the world, The Main Character so to speak, then the robot vacuum cleaner "made the world better."