Samsung DeX is more capable than it may seem for everyday tasks.

It's true that thin and light laptops in recent years, like the MacBook Air, have changed the game for portability and performance — especially with the massive gains in the battery department.

PC makers have been stuffing the guts of computers inside cases with built-in keyboards for decades. The Commodore 64 and Sinclair ZX Spectrum were both released in 1982, and the trend has continued ...