Might be seen here: LG brings Gram 17 laptop to Canada | IT Business
Qualities include lightness and thinness, as well as limited ability to make hardware changes. Magnesium body vs aluminum. You can read more about it at IT Business.
It’s only a matter of time before laptops reach a physical limit as to how much lighter and thinner we can make them. That time is not yet. But definitely in the next 5-7 years.